1520444940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{3631}}^1$

素因数の和:4647

約数の個数: 96

約数和(自身を含む): 4871645184

約数和(自身を除く): 3351200244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 997, 1994, 2991, 3631, 3988, 4985, 5982, 6979, 7262, 9970, 10893, 11964, 13958, 14524, 14955, 18155, 19940, 20937, 21786, 25417, 27916, 29910, 34895, 36310, 41874, 43572, 50834, 54465, 59820, 69790, 72620, 76251, 83748, 101668, 104685, 108930, 127085, 139580, 152502, 209370, 217860, 254170, 305004, 381255, 418740, 508340, 762510, 1525020, 3620107, 7240214, 10860321, 14480428, 18100535, 21720642, 25340749, 36201070, 43441284, 50681498, 54301605, 72402140, 76022247, 101362996, 108603210, 126703745, 152044494, 217206420, 253407490, 304088988, 380111235, 506814980, 760222470, 1520444940]

約数ペア:

[(1, 1520444940), (2, 760222470), (3, 506814980), (4, 380111235), (5, 304088988), (6, 253407490), (7, 217206420), (10, 152044494), (12, 126703745), (14, 108603210), (15, 101362996), (20, 76022247), (21, 72402140), (28, 54301605), (30, 50681498), (35, 43441284), (42, 36201070), (60, 25340749), (70, 21720642), (84, 18100535), (105, 14480428), (140, 10860321), (210, 7240214), (420, 3620107), (997, 1525020), (1994, 762510), (2991, 508340), (3631, 418740), (3988, 381255), (4985, 305004), (5982, 254170), (6979, 217860), (7262, 209370), (9970, 152502), (10893, 139580), (11964, 127085), (13958, 108930), (14524, 104685), (14955, 101668), (18155, 83748), (19940, 76251), (20937, 72620), (21786, 69790), (25417, 59820), (27916, 54465), (29910, 50834), (34895, 43572), (36310, 41874)]