821900520

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 480

約数和(自身を含む): 3337044480

約数和(自身を除く): 2515143960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 49, 54, 56, 60, 62, 63, 70, 72, 81, 84, 90, 93, 98, 105, 108, 120, 124, 126, 135, 140, 147, 155, 162, 167, 168, 180, 186, 189, 196, 210, 216, 217, 245, 248, 252, 270, 279, 280, 294, 310, 315, 324, 334, 360, 372, 378, 392, 405, 420, 434, 441, 465, 490, 501, 504, 540, 558, 567, 588, 620, 630, 648, 651, 668, 735, 744, 756, 810, 835, 837, 840, 868, 882, 930, 945, 980, 1002, 1080, 1085, 1116, 1134, 1169, 1176, 1240, 1260, 1302, 1323, 1336, 1395, 1470, 1503, 1512, 1519, 1620, 1670, 1674, 1736, 1764, 1860, 1890, 1953, 1960, 2004, 2170, 2205, 2232, 2268, 2338, 2505, 2511, 2520, 2604, 2646, 2790, 2835, 2940, 3006, 3038, 3240, 3255, 3340, 3348, 3507, 3528, 3720, 3780, 3906, 3969, 4008, 4185, 4340, 4410, 4509, 4536, 4557, 4676, 5010, 5022, 5177, 5208, 5292, 5580, 5670, 5845, 5859, 5880, 6012, 6076, 6510, 6615, 6680, 6696, 7014, 7515, 7560, 7595, 7812, 7938, 8183, 8370, 8680, 8820, 9018, 9114, 9352, 9765, 10020, 10044, 10354, 10521, 10584, 11160, 11340, 11690, 11718, 12024, 12152, 12555, 13020, 13230, 13527, 13671, 14028, 15030, 15190, 15531, 15624, 15876, 16366, 16740, 17535, 17577, 17640, 18036, 18228, 19530, 19845, 20040, 20088, 20708, 21042, 22545, 22680, 22785, 23380, 23436, 24549, 25110, 25885, 26040, 26460, 27054, 27342, 28056, 29295, 30060, 30380, 31062, 31563, 31752, 32732, 33480, 35070, 35154, 36072, 36239, 36456, 39060, 39690, 40915, 41013, 41416, 42084, 45090, 45570, 46593, 46760, 46872, 49098, 50220, 51770, 52605, 52920, 54108, 54684, 58590, 60120, 60760, 62124, 63126, 65464, 67635, 68355, 70140, 70308, 72478, 73647, 77655, 78120, 79380, 81830, 82026, 84168, 87885, 90180, 91140, 93186, 94689, 98196, 100440, 103540, 105210, 108216, 108717, 109368, 117180, 122745, 123039, 124248, 126252, 135270, 136710, 139779, 140280, 140616, 144956, 147294, 155310, 157815, 158760, 163660, 164052, 175770, 180360, 181195, 182280, 186372, 189378, 196392, 205065, 207080, 210420, 217434, 220941, 232965, 234360, 245490, 246078, 252504, 253673, 270540, 273420, 279558, 289912, 294588, 310620, 315630, 326151, 327320, 328104, 351540, 362390, 368235, 372744, 378756, 410130, 419337, 420840, 434868, 441882, 465930, 473445, 490980, 492156, 507346, 541080, 543585, 546840, 559116, 589176, 615195, 621240, 631260, 652302, 662823, 698895, 703080, 724780, 736470, 757512, 761019, 820260, 838674, 869736, 883764, 931860, 946890, 978453, 981960, 984312, 1014692, 1087170, 1104705, 1118232, 1230390, 1262520, 1268365, 1304604, 1325646, 1397790, 1449560, 1472940, 1522038, 1630755, 1640520, 1677348, 1767528, 1863720, 1893780, 1956906, 2029384, 2096685, 2174340, 2209410, 2283057, 2460780, 2536730, 2609208, 2651292, 2795580, 2935359, 2945880, 3044076, 3261510, 3314115, 3354696, 3787560, 3805095, 3913812, 4193370, 4348680, 4418820, 4566114, 4892265, 4921560, 5073460, 5302584, 5591160, 5870718, 6088152, 6523020, 6628230, 6849171, 7610190, 7827624, 8386740, 8837640, 9132228, 9784530, 10146920, 11415285, 11741436, 13046040, 13256460, 13698342, 14676795, 15220380, 16773480, 18264456, 19569060, 20547513, 22830570, 23482872, 26512920, 27396684, 29353590, 30440760, 34245855, 39138120, 41095026, 45661140, 54793368, 58707180, 68491710, 82190052, 91322280, 102737565, 117414360, 136983420, 164380104, 205475130, 273966840, 410950260, 821900520]

約数ペア:

[(1, 821900520), (2, 410950260), (3, 273966840), (4, 205475130), (5, 164380104), (6, 136983420), (7, 117414360), (8, 102737565), (9, 91322280), (10, 82190052), (12, 68491710), (14, 58707180), (15, 54793368), (18, 45661140), (20, 41095026), (21, 39138120), (24, 34245855), (27, 30440760), (28, 29353590), (30, 27396684), (31, 26512920), (35, 23482872), (36, 22830570), (40, 20547513), (42, 19569060), (45, 18264456), (49, 16773480), (54, 15220380), (56, 14676795), (60, 13698342), (62, 13256460), (63, 13046040), (70, 11741436), (72, 11415285), (81, 10146920), (84, 9784530), (90, 9132228), (93, 8837640), (98, 8386740), (105, 7827624), (108, 7610190), (120, 6849171), (124, 6628230), (126, 6523020), (135, 6088152), (140, 5870718), (147, 5591160), (155, 5302584), (162, 5073460), (167, 4921560), (168, 4892265), (180, 4566114), (186, 4418820), (189, 4348680), (196, 4193370), (210, 3913812), (216, 3805095), (217, 3787560), (245, 3354696), (248, 3314115), (252, 3261510), (270, 3044076), (279, 2945880), (280, 2935359), (294, 2795580), (310, 2651292), (315, 2609208), (324, 2536730), (334, 2460780), (360, 2283057), (372, 2209410), (378, 2174340), (392, 2096685), (405, 2029384), (420, 1956906), (434, 1893780), (441, 1863720), (465, 1767528), (490, 1677348), (501, 1640520), (504, 1630755), (540, 1522038), (558, 1472940), (567, 1449560), (588, 1397790), (620, 1325646), (630, 1304604), (648, 1268365), (651, 1262520), (668, 1230390), (735, 1118232), (744, 1104705), (756, 1087170), (810, 1014692), (835, 984312), (837, 981960), (840, 978453), (868, 946890), (882, 931860), (930, 883764), (945, 869736), (980, 838674), (1002, 820260), (1080, 761019), (1085, 757512), (1116, 736470), (1134, 724780), (1169, 703080), (1176, 698895), (1240, 662823), (1260, 652302), (1302, 631260), (1323, 621240), (1336, 615195), (1395, 589176), (1470, 559116), (1503, 546840), (1512, 543585), (1519, 541080), (1620, 507346), (1670, 492156), (1674, 490980), (1736, 473445), (1764, 465930), (1860, 441882), (1890, 434868), (1953, 420840), (1960, 419337), (2004, 410130), (2170, 378756), (2205, 372744), (2232, 368235), (2268, 362390), (2338, 351540), (2505, 328104), (2511, 327320), (2520, 326151), (2604, 315630), (2646, 310620), (2790, 294588), (2835, 289912), (2940, 279558), (3006, 273420), (3038, 270540), (3240, 253673), (3255, 252504), (3340, 246078), (3348, 245490), (3507, 234360), (3528, 232965), (3720, 220941), (3780, 217434), (3906, 210420), (3969, 207080), (4008, 205065), (4185, 196392), (4340, 189378), (4410, 186372), (4509, 182280), (4536, 181195), (4557, 180360), (4676, 175770), (5010, 164052), (5022, 163660), (5177, 158760), (5208, 157815), (5292, 155310), (5580, 147294), (5670, 144956), (5845, 140616), (5859, 140280), (5880, 139779), (6012, 136710), (6076, 135270), (6510, 126252), (6615, 124248), (6680, 123039), (6696, 122745), (7014, 117180), (7515, 109368), (7560, 108717), (7595, 108216), (7812, 105210), (7938, 103540), (8183, 100440), (8370, 98196), (8680, 94689), (8820, 93186), (9018, 91140), (9114, 90180), (9352, 87885), (9765, 84168), (10020, 82026), (10044, 81830), (10354, 79380), (10521, 78120), (10584, 77655), (11160, 73647), (11340, 72478), (11690, 70308), (11718, 70140), (12024, 68355), (12152, 67635), (12555, 65464), (13020, 63126), (13230, 62124), (13527, 60760), (13671, 60120), (14028, 58590), (15030, 54684), (15190, 54108), (15531, 52920), (15624, 52605), (15876, 51770), (16366, 50220), (16740, 49098), (17535, 46872), (17577, 46760), (17640, 46593), (18036, 45570), (18228, 45090), (19530, 42084), (19845, 41416), (20040, 41013), (20088, 40915), (20708, 39690), (21042, 39060), (22545, 36456), (22680, 36239), (22785, 36072), (23380, 35154), (23436, 35070), (24549, 33480), (25110, 32732), (25885, 31752), (26040, 31563), (26460, 31062), (27054, 30380), (27342, 30060), (28056, 29295)]