261041250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:637

約数の個数: 80

約数和(自身を含む): 658139328

約数和(自身を除く): 397098078

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 151, 250, 302, 375, 453, 461, 625, 750, 755, 906, 922, 1250, 1383, 1510, 1875, 2265, 2305, 2766, 3750, 3775, 4530, 4610, 6915, 7550, 11325, 11525, 13830, 18875, 22650, 23050, 34575, 37750, 56625, 57625, 69150, 69611, 94375, 113250, 115250, 139222, 172875, 188750, 208833, 283125, 288125, 345750, 348055, 417666, 566250, 576250, 696110, 864375, 1044165, 1728750, 1740275, 2088330, 3480550, 5220825, 8701375, 10441650, 17402750, 26104125, 43506875, 52208250, 87013750, 130520625, 261041250]

約数ペア:

[(1, 261041250), (2, 130520625), (3, 87013750), (5, 52208250), (6, 43506875), (10, 26104125), (15, 17402750), (25, 10441650), (30, 8701375), (50, 5220825), (75, 3480550), (125, 2088330), (150, 1740275), (151, 1728750), (250, 1044165), (302, 864375), (375, 696110), (453, 576250), (461, 566250), (625, 417666), (750, 348055), (755, 345750), (906, 288125), (922, 283125), (1250, 208833), (1383, 188750), (1510, 172875), (1875, 139222), (2265, 115250), (2305, 113250), (2766, 94375), (3750, 69611), (3775, 69150), (4530, 57625), (4610, 56625), (6915, 37750), (7550, 34575), (11325, 23050), (11525, 22650), (13830, 18875)]