64799020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 162005760

約数和(自身を除く): 97206740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 139, 143, 163, 220, 260, 278, 286, 326, 556, 572, 652, 695, 715, 815, 1390, 1430, 1529, 1630, 1793, 1807, 2119, 2780, 2860, 3058, 3260, 3586, 3614, 4238, 6116, 7172, 7228, 7645, 8476, 8965, 9035, 10595, 15290, 17930, 18070, 19877, 21190, 22657, 23309, 30580, 35860, 36140, 39754, 42380, 45314, 46618, 79508, 90628, 93236, 99385, 113285, 116545, 198770, 226570, 233090, 249227, 294541, 397540, 453140, 466180, 498454, 589082, 996908, 1178164, 1246135, 1472705, 2492270, 2945410, 3239951, 4984540, 5890820, 6479902, 12959804, 16199755, 32399510, 64799020]

約数ペア:

[(1, 64799020), (2, 32399510), (4, 16199755), (5, 12959804), (10, 6479902), (11, 5890820), (13, 4984540), (20, 3239951), (22, 2945410), (26, 2492270), (44, 1472705), (52, 1246135), (55, 1178164), (65, 996908), (110, 589082), (130, 498454), (139, 466180), (143, 453140), (163, 397540), (220, 294541), (260, 249227), (278, 233090), (286, 226570), (326, 198770), (556, 116545), (572, 113285), (652, 99385), (695, 93236), (715, 90628), (815, 79508), (1390, 46618), (1430, 45314), (1529, 42380), (1630, 39754), (1793, 36140), (1807, 35860), (2119, 30580), (2780, 23309), (2860, 22657), (3058, 21190), (3260, 19877), (3586, 18070), (3614, 17930), (4238, 15290), (6116, 10595), (7172, 9035), (7228, 8965), (7645, 8476)]