520312960

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 1295481600

約数和(自身を除く): 775168640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 79, 80, 82, 128, 158, 160, 164, 205, 251, 316, 320, 328, 395, 410, 502, 632, 640, 656, 790, 820, 1004, 1255, 1264, 1312, 1580, 1640, 2008, 2510, 2528, 2624, 3160, 3239, 3280, 4016, 5020, 5056, 5248, 6320, 6478, 6560, 8032, 10040, 10112, 10291, 12640, 12956, 13120, 16064, 16195, 19829, 20080, 20582, 25280, 25912, 26240, 32128, 32390, 39658, 40160, 41164, 50560, 51455, 51824, 64780, 79316, 80320, 82328, 99145, 102910, 103648, 129560, 158632, 160640, 164656, 198290, 205820, 207296, 259120, 317264, 329312, 396580, 411640, 414592, 518240, 634528, 658624, 793160, 812989, 823280, 1036480, 1269056, 1317248, 1586320, 1625978, 1646560, 2072960, 2538112, 3172640, 3251956, 3293120, 4064945, 6345280, 6503912, 6586240, 8129890, 12690560, 13007824, 16259780, 26015648, 32519560, 52031296, 65039120, 104062592, 130078240, 260156480, 520312960]

約数ペア:

[(1, 520312960), (2, 260156480), (4, 130078240), (5, 104062592), (8, 65039120), (10, 52031296), (16, 32519560), (20, 26015648), (32, 16259780), (40, 13007824), (41, 12690560), (64, 8129890), (79, 6586240), (80, 6503912), (82, 6345280), (128, 4064945), (158, 3293120), (160, 3251956), (164, 3172640), (205, 2538112), (251, 2072960), (316, 1646560), (320, 1625978), (328, 1586320), (395, 1317248), (410, 1269056), (502, 1036480), (632, 823280), (640, 812989), (656, 793160), (790, 658624), (820, 634528), (1004, 518240), (1255, 414592), (1264, 411640), (1312, 396580), (1580, 329312), (1640, 317264), (2008, 259120), (2510, 207296), (2528, 205820), (2624, 198290), (3160, 164656), (3239, 160640), (3280, 158632), (4016, 129560), (5020, 103648), (5056, 102910), (5248, 99145), (6320, 82328), (6478, 80320), (6560, 79316), (8032, 64780), (10040, 51824), (10112, 51455), (10291, 50560), (12640, 41164), (12956, 40160), (13120, 39658), (16064, 32390), (16195, 32128), (19829, 26240), (20080, 25912), (20582, 25280)]