65377240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 157852800

約数和(自身を除く): 92475560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1217, 1343, 1580, 2434, 2686, 3160, 4868, 5372, 6085, 6715, 9736, 10744, 12170, 13430, 20689, 24340, 26860, 41378, 48680, 53720, 82756, 96143, 103445, 165512, 192286, 206890, 384572, 413780, 480715, 769144, 827560, 961430, 1634431, 1922860, 3268862, 3845720, 6537724, 8172155, 13075448, 16344310, 32688620, 65377240]

約数ペア:

[(1, 65377240), (2, 32688620), (4, 16344310), (5, 13075448), (8, 8172155), (10, 6537724), (17, 3845720), (20, 3268862), (34, 1922860), (40, 1634431), (68, 961430), (79, 827560), (85, 769144), (136, 480715), (158, 413780), (170, 384572), (316, 206890), (340, 192286), (395, 165512), (632, 103445), (680, 96143), (790, 82756), (1217, 53720), (1343, 48680), (1580, 41378), (2434, 26860), (2686, 24340), (3160, 20689), (4868, 13430), (5372, 12170), (6085, 10744), (6715, 9736)]