1919725680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{470521}}^1$

素因数の和:470554

約数の個数: 80

約数和(自身を含む): 6301230624

約数和(自身を除く): 4381504944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 470521, 941042, 1411563, 1882084, 2352605, 2823126, 3764168, 4705210, 5646252, 7057815, 7528336, 7998857, 9410420, 11292504, 14115630, 15997714, 18820840, 22585008, 23996571, 28231260, 31995428, 37641680, 39994285, 47993142, 56462520, 63990856, 79988570, 95986284, 112925040, 119982855, 127981712, 159977140, 191972568, 239965710, 319954280, 383945136, 479931420, 639908560, 959862840, 1919725680]

約数ペア:

[(1, 1919725680), (2, 959862840), (3, 639908560), (4, 479931420), (5, 383945136), (6, 319954280), (8, 239965710), (10, 191972568), (12, 159977140), (15, 127981712), (16, 119982855), (17, 112925040), (20, 95986284), (24, 79988570), (30, 63990856), (34, 56462520), (40, 47993142), (48, 39994285), (51, 37641680), (60, 31995428), (68, 28231260), (80, 23996571), (85, 22585008), (102, 18820840), (120, 15997714), (136, 14115630), (170, 11292504), (204, 9410420), (240, 7998857), (255, 7528336), (272, 7057815), (340, 5646252), (408, 4705210), (510, 3764168), (680, 2823126), (816, 2352605), (1020, 1882084), (1360, 1411563), (2040, 941042), (4080, 470521)]