1801387980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:378

約数の個数: 288

約数和(自身を含む): 6447168000

約数和(自身を除く): 4645780020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 163, 179, 180, 196, 210, 245, 252, 294, 315, 326, 343, 358, 420, 441, 489, 490, 537, 588, 630, 652, 686, 716, 735, 815, 882, 895, 978, 980, 1029, 1074, 1141, 1253, 1260, 1372, 1467, 1470, 1611, 1630, 1715, 1764, 1790, 1956, 2058, 2148, 2205, 2282, 2445, 2506, 2685, 2934, 2940, 3087, 3222, 3260, 3423, 3430, 3580, 3759, 4116, 4410, 4564, 4890, 5012, 5145, 5370, 5705, 5868, 6174, 6265, 6444, 6846, 6860, 7335, 7518, 7987, 8055, 8771, 8820, 9780, 10269, 10290, 10740, 11277, 11410, 12348, 12530, 13692, 14670, 15036, 15435, 15974, 16110, 17115, 17542, 18795, 20538, 20580, 22554, 22820, 23961, 25060, 26313, 29177, 29340, 30870, 31948, 32220, 34230, 35084, 37590, 39935, 41076, 43855, 45108, 47922, 51345, 52626, 55909, 56385, 58354, 61397, 61740, 68460, 71883, 75180, 78939, 79870, 87531, 87710, 95844, 102690, 105252, 111818, 112770, 116708, 119805, 122794, 131565, 143766, 145885, 157878, 159740, 167727, 175062, 175420, 184191, 204239, 205380, 223636, 225540, 239610, 245588, 262593, 263130, 279545, 287532, 291770, 306985, 315756, 335454, 350124, 359415, 368382, 394695, 408478, 437655, 479220, 503181, 525186, 526260, 552573, 559090, 583540, 612717, 613970, 670908, 718830, 736764, 789390, 816956, 838635, 875310, 920955, 1006362, 1021195, 1050372, 1105146, 1118180, 1225434, 1227940, 1312965, 1429673, 1437660, 1578780, 1677270, 1750620, 1838151, 1841910, 2012724, 2042390, 2210292, 2450868, 2515905, 2625930, 2762865, 2859346, 3063585, 3354540, 3676302, 3683820, 4084780, 4289019, 5031810, 5251860, 5525730, 5718692, 6127170, 7148365, 7352604, 8578038, 9190755, 10007711, 10063620, 11051460, 12254340, 12867057, 14296730, 17156076, 18381510, 20015422, 21445095, 25734114, 28593460, 30023133, 36763020, 40030844, 42890190, 50038555, 51468228, 60046266, 64335285, 85780380, 90069399, 100077110, 120092532, 128670570, 150115665, 180138798, 200154220, 257341140, 300231330, 360277596, 450346995, 600462660, 900693990, 1801387980]

約数ペア:

[(1, 1801387980), (2, 900693990), (3, 600462660), (4, 450346995), (5, 360277596), (6, 300231330), (7, 257341140), (9, 200154220), (10, 180138798), (12, 150115665), (14, 128670570), (15, 120092532), (18, 100077110), (20, 90069399), (21, 85780380), (28, 64335285), (30, 60046266), (35, 51468228), (36, 50038555), (42, 42890190), (45, 40030844), (49, 36763020), (60, 30023133), (63, 28593460), (70, 25734114), (84, 21445095), (90, 20015422), (98, 18381510), (105, 17156076), (126, 14296730), (140, 12867057), (147, 12254340), (163, 11051460), (179, 10063620), (180, 10007711), (196, 9190755), (210, 8578038), (245, 7352604), (252, 7148365), (294, 6127170), (315, 5718692), (326, 5525730), (343, 5251860), (358, 5031810), (420, 4289019), (441, 4084780), (489, 3683820), (490, 3676302), (537, 3354540), (588, 3063585), (630, 2859346), (652, 2762865), (686, 2625930), (716, 2515905), (735, 2450868), (815, 2210292), (882, 2042390), (895, 2012724), (978, 1841910), (980, 1838151), (1029, 1750620), (1074, 1677270), (1141, 1578780), (1253, 1437660), (1260, 1429673), (1372, 1312965), (1467, 1227940), (1470, 1225434), (1611, 1118180), (1630, 1105146), (1715, 1050372), (1764, 1021195), (1790, 1006362), (1956, 920955), (2058, 875310), (2148, 838635), (2205, 816956), (2282, 789390), (2445, 736764), (2506, 718830), (2685, 670908), (2934, 613970), (2940, 612717), (3087, 583540), (3222, 559090), (3260, 552573), (3423, 526260), (3430, 525186), (3580, 503181), (3759, 479220), (4116, 437655), (4410, 408478), (4564, 394695), (4890, 368382), (5012, 359415), (5145, 350124), (5370, 335454), (5705, 315756), (5868, 306985), (6174, 291770), (6265, 287532), (6444, 279545), (6846, 263130), (6860, 262593), (7335, 245588), (7518, 239610), (7987, 225540), (8055, 223636), (8771, 205380), (8820, 204239), (9780, 184191), (10269, 175420), (10290, 175062), (10740, 167727), (11277, 159740), (11410, 157878), (12348, 145885), (12530, 143766), (13692, 131565), (14670, 122794), (15036, 119805), (15435, 116708), (15974, 112770), (16110, 111818), (17115, 105252), (17542, 102690), (18795, 95844), (20538, 87710), (20580, 87531), (22554, 79870), (22820, 78939), (23961, 75180), (25060, 71883), (26313, 68460), (29177, 61740), (29340, 61397), (30870, 58354), (31948, 56385), (32220, 55909), (34230, 52626), (35084, 51345), (37590, 47922), (39935, 45108), (41076, 43855)]