90813160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^3\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 216331200

約数和(自身を除く): 125518040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 331, 361, 380, 662, 722, 760, 1324, 1444, 1655, 1805, 2648, 2888, 3310, 3610, 6289, 6620, 6859, 7220, 12578, 13240, 13718, 14440, 25156, 27436, 31445, 34295, 50312, 54872, 62890, 68590, 119491, 125780, 137180, 238982, 251560, 274360, 477964, 597455, 955928, 1194910, 2270329, 2389820, 4540658, 4779640, 9081316, 11351645, 18162632, 22703290, 45406580, 90813160]

約数ペア:

[(1, 90813160), (2, 45406580), (4, 22703290), (5, 18162632), (8, 11351645), (10, 9081316), (19, 4779640), (20, 4540658), (38, 2389820), (40, 2270329), (76, 1194910), (95, 955928), (152, 597455), (190, 477964), (331, 274360), (361, 251560), (380, 238982), (662, 137180), (722, 125780), (760, 119491), (1324, 68590), (1444, 62890), (1655, 54872), (1805, 50312), (2648, 34295), (2888, 31445), (3310, 27436), (3610, 25156), (6289, 14440), (6620, 13718), (6859, 13240), (7220, 12578)]