1641520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 60

約数和(自身を含む): 4111344

約数和(自身を除く): 2469824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 289, 340, 355, 568, 578, 680, 710, 1136, 1156, 1207, 1360, 1420, 1445, 2312, 2414, 2840, 2890, 4624, 4828, 5680, 5780, 6035, 9656, 11560, 12070, 19312, 20519, 23120, 24140, 41038, 48280, 82076, 96560, 102595, 164152, 205190, 328304, 410380, 820760, 1641520]

約数ペア:

[(1, 1641520), (2, 820760), (4, 410380), (5, 328304), (8, 205190), (10, 164152), (16, 102595), (17, 96560), (20, 82076), (34, 48280), (40, 41038), (68, 24140), (71, 23120), (80, 20519), (85, 19312), (136, 12070), (142, 11560), (170, 9656), (272, 6035), (284, 5780), (289, 5680), (340, 4828), (355, 4624), (568, 2890), (578, 2840), (680, 2414), (710, 2312), (1136, 1445), (1156, 1420), (1207, 1360)]