745620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 2269344

約数和(自身を除く): 1523724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 204, 215, 255, 258, 289, 340, 430, 510, 516, 578, 645, 731, 860, 867, 1020, 1156, 1290, 1445, 1462, 1734, 2193, 2580, 2890, 2924, 3468, 3655, 4335, 4386, 5780, 7310, 8670, 8772, 10965, 12427, 14620, 17340, 21930, 24854, 37281, 43860, 49708, 62135, 74562, 124270, 149124, 186405, 248540, 372810, 745620]

約数ペア:

[(1, 745620), (2, 372810), (3, 248540), (4, 186405), (5, 149124), (6, 124270), (10, 74562), (12, 62135), (15, 49708), (17, 43860), (20, 37281), (30, 24854), (34, 21930), (43, 17340), (51, 14620), (60, 12427), (68, 10965), (85, 8772), (86, 8670), (102, 7310), (129, 5780), (170, 4386), (172, 4335), (204, 3655), (215, 3468), (255, 2924), (258, 2890), (289, 2580), (340, 2193), (430, 1734), (510, 1462), (516, 1445), (578, 1290), (645, 1156), (731, 1020), (860, 867)]