1266315720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620743}}^1$

素因数の和:620774

約数の個数: 64

約数和(自身を含む): 4022421120

約数和(自身を除く): 2756105400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 620743, 1241486, 1862229, 2482972, 3103715, 3724458, 4965944, 6207430, 7448916, 9311145, 10552631, 12414860, 14897832, 18622290, 21105262, 24829720, 31657893, 37244580, 42210524, 52763155, 63315786, 74489160, 84421048, 105526310, 126631572, 158289465, 211052620, 253263144, 316578930, 422105240, 633157860, 1266315720]

約数ペア:

[(1, 1266315720), (2, 633157860), (3, 422105240), (4, 316578930), (5, 253263144), (6, 211052620), (8, 158289465), (10, 126631572), (12, 105526310), (15, 84421048), (17, 74489160), (20, 63315786), (24, 52763155), (30, 42210524), (34, 37244580), (40, 31657893), (51, 24829720), (60, 21105262), (68, 18622290), (85, 14897832), (102, 12414860), (120, 10552631), (136, 9311145), (170, 7448916), (204, 6207430), (255, 4965944), (340, 3724458), (408, 3103715), (510, 2482972), (680, 1862229), (1020, 1241486), (2040, 620743)]