64271240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 163555200

約数和(自身を除く): 99283960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 79, 86, 88, 110, 158, 172, 215, 220, 316, 344, 395, 430, 440, 473, 632, 790, 860, 869, 946, 1580, 1720, 1738, 1849, 1892, 2365, 3160, 3397, 3476, 3698, 3784, 4345, 4730, 6794, 6952, 7396, 8690, 9245, 9460, 13588, 14792, 16985, 17380, 18490, 18920, 20339, 27176, 33970, 34760, 36980, 37367, 40678, 67940, 73960, 74734, 81356, 101695, 135880, 146071, 149468, 162712, 186835, 203390, 292142, 298936, 373670, 406780, 584284, 730355, 747340, 813560, 1168568, 1460710, 1494680, 1606781, 2921420, 3213562, 5842840, 6427124, 8033905, 12854248, 16067810, 32135620, 64271240]

約数ペア:

[(1, 64271240), (2, 32135620), (4, 16067810), (5, 12854248), (8, 8033905), (10, 6427124), (11, 5842840), (20, 3213562), (22, 2921420), (40, 1606781), (43, 1494680), (44, 1460710), (55, 1168568), (79, 813560), (86, 747340), (88, 730355), (110, 584284), (158, 406780), (172, 373670), (215, 298936), (220, 292142), (316, 203390), (344, 186835), (395, 162712), (430, 149468), (440, 146071), (473, 135880), (632, 101695), (790, 81356), (860, 74734), (869, 73960), (946, 67940), (1580, 40678), (1720, 37367), (1738, 36980), (1849, 34760), (1892, 33970), (2365, 27176), (3160, 20339), (3397, 18920), (3476, 18490), (3698, 17380), (3784, 16985), (4345, 14792), (4730, 13588), (6794, 9460), (6952, 9245), (7396, 8690)]