19918902780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{719}}^1$

素因数の和:1103

約数の個数: 360

約数和(自身を含む): 72997848000

約数和(自身を除く): 53078945220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 349, 378, 405, 420, 441, 490, 540, 567, 588, 630, 698, 719, 735, 756, 810, 882, 945, 980, 1047, 1134, 1260, 1323, 1396, 1438, 1470, 1620, 1745, 1764, 1890, 2094, 2157, 2205, 2268, 2443, 2646, 2835, 2876, 2940, 3141, 3490, 3595, 3780, 3969, 4188, 4314, 4410, 4886, 5033, 5235, 5292, 5670, 6282, 6471, 6615, 6980, 7190, 7329, 7938, 8628, 8820, 9423, 9772, 10066, 10470, 10785, 11340, 12215, 12564, 12942, 13230, 14380, 14658, 15099, 15705, 15876, 17101, 18846, 19413, 19845, 20132, 20940, 21570, 21987, 24430, 25165, 25884, 26460, 28269, 29316, 30198, 31410, 32355, 34202, 35231, 36645, 37692, 38826, 39690, 43140, 43974, 45297, 47115, 48860, 50330, 51303, 56538, 58239, 60396, 62820, 64710, 65961, 68404, 70462, 73290, 75495, 77652, 79380, 85505, 87948, 90594, 94230, 97065, 100660, 102606, 105693, 109935, 113076, 116478, 129420, 131922, 135891, 140924, 141345, 146580, 150990, 153909, 171010, 176155, 181188, 188460, 194130, 197883, 205212, 211386, 219870, 226485, 232956, 250931, 256515, 263844, 271782, 282690, 291195, 301980, 307818, 317079, 329805, 342020, 352310, 388260, 395766, 407673, 422772, 439740, 452970, 461727, 501862, 513030, 528465, 543564, 565380, 582390, 615636, 634158, 659610, 679455, 704620, 752793, 769545, 791532, 815346, 905940, 923454, 951237, 989415, 1003724, 1026060, 1056930, 1164780, 1254655, 1268316, 1319220, 1358910, 1385181, 1505586, 1539090, 1585395, 1630692, 1756517, 1846908, 1902474, 1978830, 2038365, 2113860, 2258379, 2308635, 2509310, 2717820, 2770362, 2853711, 3011172, 3078180, 3170790, 3513034, 3763965, 3804948, 3957660, 4076730, 4516758, 4617270, 4756185, 5018620, 5269551, 5540724, 5707422, 6341580, 6775137, 6925905, 7026068, 7527930, 8153460, 8782585, 9033516, 9234540, 9512370, 10539102, 11291895, 11414844, 12295619, 13550274, 13851810, 14268555, 15055860, 15808653, 17565170, 19024740, 20325411, 21078204, 22583790, 24591238, 26347755, 27100548, 27703620, 28537110, 31617306, 33875685, 35130340, 36886857, 40650822, 45167580, 47425959, 49182476, 52695510, 57074220, 61478095, 63234612, 67751370, 73773714, 79043265, 81301644, 94851918, 101627055, 105391020, 110660571, 122956190, 135502740, 142277877, 147547428, 158086530, 184434285, 189703836, 203254110, 221321142, 237129795, 245912380, 284555754, 316173060, 331981713, 368868570, 406508220, 442642284, 474259590, 553302855, 569111508, 663963426, 711389385, 737737140, 948519180, 995945139, 1106605710, 1327926852, 1422778770, 1659908565, 1991890278, 2213211420, 2845557540, 3319817130, 3983780556, 4979725695, 6639634260, 9959451390, 19918902780]

約数ペア:

[(1, 19918902780), (2, 9959451390), (3, 6639634260), (4, 4979725695), (5, 3983780556), (6, 3319817130), (7, 2845557540), (9, 2213211420), (10, 1991890278), (12, 1659908565), (14, 1422778770), (15, 1327926852), (18, 1106605710), (20, 995945139), (21, 948519180), (27, 737737140), (28, 711389385), (30, 663963426), (35, 569111508), (36, 553302855), (42, 474259590), (45, 442642284), (49, 406508220), (54, 368868570), (60, 331981713), (63, 316173060), (70, 284555754), (81, 245912380), (84, 237129795), (90, 221321142), (98, 203254110), (105, 189703836), (108, 184434285), (126, 158086530), (135, 147547428), (140, 142277877), (147, 135502740), (162, 122956190), (180, 110660571), (189, 105391020), (196, 101627055), (210, 94851918), (245, 81301644), (252, 79043265), (270, 73773714), (294, 67751370), (315, 63234612), (324, 61478095), (349, 57074220), (378, 52695510), (405, 49182476), (420, 47425959), (441, 45167580), (490, 40650822), (540, 36886857), (567, 35130340), (588, 33875685), (630, 31617306), (698, 28537110), (719, 27703620), (735, 27100548), (756, 26347755), (810, 24591238), (882, 22583790), (945, 21078204), (980, 20325411), (1047, 19024740), (1134, 17565170), (1260, 15808653), (1323, 15055860), (1396, 14268555), (1438, 13851810), (1470, 13550274), (1620, 12295619), (1745, 11414844), (1764, 11291895), (1890, 10539102), (2094, 9512370), (2157, 9234540), (2205, 9033516), (2268, 8782585), (2443, 8153460), (2646, 7527930), (2835, 7026068), (2876, 6925905), (2940, 6775137), (3141, 6341580), (3490, 5707422), (3595, 5540724), (3780, 5269551), (3969, 5018620), (4188, 4756185), (4314, 4617270), (4410, 4516758), (4886, 4076730), (5033, 3957660), (5235, 3804948), (5292, 3763965), (5670, 3513034), (6282, 3170790), (6471, 3078180), (6615, 3011172), (6980, 2853711), (7190, 2770362), (7329, 2717820), (7938, 2509310), (8628, 2308635), (8820, 2258379), (9423, 2113860), (9772, 2038365), (10066, 1978830), (10470, 1902474), (10785, 1846908), (11340, 1756517), (12215, 1630692), (12564, 1585395), (12942, 1539090), (13230, 1505586), (14380, 1385181), (14658, 1358910), (15099, 1319220), (15705, 1268316), (15876, 1254655), (17101, 1164780), (18846, 1056930), (19413, 1026060), (19845, 1003724), (20132, 989415), (20940, 951237), (21570, 923454), (21987, 905940), (24430, 815346), (25165, 791532), (25884, 769545), (26460, 752793), (28269, 704620), (29316, 679455), (30198, 659610), (31410, 634158), (32355, 615636), (34202, 582390), (35231, 565380), (36645, 543564), (37692, 528465), (38826, 513030), (39690, 501862), (43140, 461727), (43974, 452970), (45297, 439740), (47115, 422772), (48860, 407673), (50330, 395766), (51303, 388260), (56538, 352310), (58239, 342020), (60396, 329805), (62820, 317079), (64710, 307818), (65961, 301980), (68404, 291195), (70462, 282690), (73290, 271782), (75495, 263844), (77652, 256515), (79380, 250931), (85505, 232956), (87948, 226485), (90594, 219870), (94230, 211386), (97065, 205212), (100660, 197883), (102606, 194130), (105693, 188460), (109935, 181188), (113076, 176155), (116478, 171010), (129420, 153909), (131922, 150990), (135891, 146580), (140924, 141345)]