64538120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 155364480

約数和(自身を除く): 90826360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 428, 535, 680, 856, 887, 1070, 1774, 1819, 2140, 3548, 3638, 4280, 4435, 7096, 7276, 8870, 9095, 14552, 15079, 17740, 18190, 30158, 35480, 36380, 60316, 72760, 75395, 94909, 120632, 150790, 189818, 301580, 379636, 474545, 603160, 759272, 949090, 1613453, 1898180, 3226906, 3796360, 6453812, 8067265, 12907624, 16134530, 32269060, 64538120]

約数ペア:

[(1, 64538120), (2, 32269060), (4, 16134530), (5, 12907624), (8, 8067265), (10, 6453812), (17, 3796360), (20, 3226906), (34, 1898180), (40, 1613453), (68, 949090), (85, 759272), (107, 603160), (136, 474545), (170, 379636), (214, 301580), (340, 189818), (428, 150790), (535, 120632), (680, 94909), (856, 75395), (887, 72760), (1070, 60316), (1774, 36380), (1819, 35480), (2140, 30158), (3548, 18190), (3638, 17740), (4280, 15079), (4435, 14552), (7096, 9095), (7276, 8870)]