1490220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 4796064

約数和(自身を除く): 3305844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 487, 510, 612, 765, 974, 1020, 1461, 1530, 1948, 2435, 2922, 3060, 4383, 4870, 5844, 7305, 8279, 8766, 9740, 14610, 16558, 17532, 21915, 24837, 29220, 33116, 41395, 43830, 49674, 74511, 82790, 87660, 99348, 124185, 149022, 165580, 248370, 298044, 372555, 496740, 745110, 1490220]

約数ペア:

[(1, 1490220), (2, 745110), (3, 496740), (4, 372555), (5, 298044), (6, 248370), (9, 165580), (10, 149022), (12, 124185), (15, 99348), (17, 87660), (18, 82790), (20, 74511), (30, 49674), (34, 43830), (36, 41395), (45, 33116), (51, 29220), (60, 24837), (68, 21915), (85, 17532), (90, 16558), (102, 14610), (153, 9740), (170, 8766), (180, 8279), (204, 7305), (255, 5844), (306, 4870), (340, 4383), (487, 3060), (510, 2922), (612, 2435), (765, 1948), (974, 1530), (1020, 1461)]