815280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 2618880

約数和(自身を除く): 1803600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 79, 80, 86, 120, 129, 158, 172, 215, 237, 240, 258, 316, 344, 395, 430, 474, 516, 632, 645, 688, 790, 860, 948, 1032, 1185, 1264, 1290, 1580, 1720, 1896, 2064, 2370, 2580, 3160, 3397, 3440, 3792, 4740, 5160, 6320, 6794, 9480, 10191, 10320, 13588, 16985, 18960, 20382, 27176, 33970, 40764, 50955, 54352, 67940, 81528, 101910, 135880, 163056, 203820, 271760, 407640, 815280]

約数ペア:

[(1, 815280), (2, 407640), (3, 271760), (4, 203820), (5, 163056), (6, 135880), (8, 101910), (10, 81528), (12, 67940), (15, 54352), (16, 50955), (20, 40764), (24, 33970), (30, 27176), (40, 20382), (43, 18960), (48, 16985), (60, 13588), (79, 10320), (80, 10191), (86, 9480), (120, 6794), (129, 6320), (158, 5160), (172, 4740), (215, 3792), (237, 3440), (240, 3397), (258, 3160), (316, 2580), (344, 2370), (395, 2064), (430, 1896), (474, 1720), (516, 1580), (632, 1290), (645, 1264), (688, 1185), (790, 1032), (860, 948)]