640826340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4783}}^1$

素因数の和:4842

約数の個数: 192

約数和(自身を含む): 2314690560

約数和(自身を除く): 1673864220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 29, 30, 33, 35, 42, 44, 55, 58, 60, 66, 70, 77, 84, 87, 105, 110, 116, 132, 140, 145, 154, 165, 174, 203, 210, 220, 231, 290, 308, 319, 330, 348, 385, 406, 420, 435, 462, 580, 609, 638, 660, 770, 812, 870, 924, 957, 1015, 1155, 1218, 1276, 1540, 1595, 1740, 1914, 2030, 2233, 2310, 2436, 3045, 3190, 3828, 4060, 4466, 4620, 4783, 4785, 6090, 6380, 6699, 8932, 9566, 9570, 11165, 12180, 13398, 14349, 19132, 19140, 22330, 23915, 26796, 28698, 33481, 33495, 44660, 47830, 52613, 57396, 66962, 66990, 71745, 95660, 100443, 105226, 133924, 133980, 138707, 143490, 157839, 167405, 200886, 210452, 263065, 277414, 286980, 315678, 334810, 368291, 401772, 416121, 502215, 526130, 554828, 631356, 669620, 693535, 736582, 789195, 832242, 970949, 1004430, 1052260, 1104873, 1387070, 1473164, 1525777, 1578390, 1664484, 1841455, 1941898, 2008860, 2080605, 2209746, 2774140, 2912847, 3051554, 3156780, 3682910, 3883796, 4161210, 4419492, 4577331, 4854745, 5524365, 5825694, 6103108, 7365820, 7628885, 8322420, 9154662, 9709490, 10680439, 11048730, 11651388, 14564235, 15257770, 18309324, 19418980, 21360878, 22097460, 22886655, 29128470, 30515540, 32041317, 42721756, 45773310, 53402195, 58256940, 64082634, 91546620, 106804390, 128165268, 160206585, 213608780, 320413170, 640826340]

約数ペア:

[(1, 640826340), (2, 320413170), (3, 213608780), (4, 160206585), (5, 128165268), (6, 106804390), (7, 91546620), (10, 64082634), (11, 58256940), (12, 53402195), (14, 45773310), (15, 42721756), (20, 32041317), (21, 30515540), (22, 29128470), (28, 22886655), (29, 22097460), (30, 21360878), (33, 19418980), (35, 18309324), (42, 15257770), (44, 14564235), (55, 11651388), (58, 11048730), (60, 10680439), (66, 9709490), (70, 9154662), (77, 8322420), (84, 7628885), (87, 7365820), (105, 6103108), (110, 5825694), (116, 5524365), (132, 4854745), (140, 4577331), (145, 4419492), (154, 4161210), (165, 3883796), (174, 3682910), (203, 3156780), (210, 3051554), (220, 2912847), (231, 2774140), (290, 2209746), (308, 2080605), (319, 2008860), (330, 1941898), (348, 1841455), (385, 1664484), (406, 1578390), (420, 1525777), (435, 1473164), (462, 1387070), (580, 1104873), (609, 1052260), (638, 1004430), (660, 970949), (770, 832242), (812, 789195), (870, 736582), (924, 693535), (957, 669620), (1015, 631356), (1155, 554828), (1218, 526130), (1276, 502215), (1540, 416121), (1595, 401772), (1740, 368291), (1914, 334810), (2030, 315678), (2233, 286980), (2310, 277414), (2436, 263065), (3045, 210452), (3190, 200886), (3828, 167405), (4060, 157839), (4466, 143490), (4620, 138707), (4783, 133980), (4785, 133924), (6090, 105226), (6380, 100443), (6699, 95660), (8932, 71745), (9566, 66990), (9570, 66962), (11165, 57396), (12180, 52613), (13398, 47830), (14349, 44660), (19132, 33495), (19140, 33481), (22330, 28698), (23915, 26796)]