90297160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 209018880

約数和(自身を除く): 118721720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 191, 212, 223, 265, 382, 424, 446, 530, 764, 892, 955, 1060, 1115, 1528, 1784, 1910, 2120, 2230, 3820, 4460, 7640, 8920, 10123, 11819, 20246, 23638, 40492, 42593, 47276, 50615, 59095, 80984, 85186, 94552, 101230, 118190, 170372, 202460, 212965, 236380, 340744, 404920, 425930, 472760, 851860, 1703720, 2257429, 4514858, 9029716, 11287145, 18059432, 22574290, 45148580, 90297160]

約数ペア:

[(1, 90297160), (2, 45148580), (4, 22574290), (5, 18059432), (8, 11287145), (10, 9029716), (20, 4514858), (40, 2257429), (53, 1703720), (106, 851860), (191, 472760), (212, 425930), (223, 404920), (265, 340744), (382, 236380), (424, 212965), (446, 202460), (530, 170372), (764, 118190), (892, 101230), (955, 94552), (1060, 85186), (1115, 80984), (1528, 59095), (1784, 50615), (1910, 47276), (2120, 42593), (2230, 40492), (3820, 23638), (4460, 20246), (7640, 11819), (8920, 10123)]