68564320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 96

約数和(自身を含む): 178536960

約数和(自身を除く): 109972640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 163, 176, 220, 239, 326, 352, 440, 478, 652, 815, 880, 956, 1195, 1304, 1630, 1760, 1793, 1912, 2390, 2608, 2629, 3260, 3586, 3824, 4780, 5216, 5258, 6520, 7172, 7648, 8965, 9560, 10516, 13040, 13145, 14344, 17930, 19120, 21032, 26080, 26290, 28688, 35860, 38240, 38957, 42064, 52580, 57376, 71720, 77914, 84128, 105160, 143440, 155828, 194785, 210320, 286880, 311656, 389570, 420640, 428527, 623312, 779140, 857054, 1246624, 1558280, 1714108, 2142635, 3116560, 3428216, 4285270, 6233120, 6856432, 8570540, 13712864, 17141080, 34282160, 68564320]

約数ペア:

[(1, 68564320), (2, 34282160), (4, 17141080), (5, 13712864), (8, 8570540), (10, 6856432), (11, 6233120), (16, 4285270), (20, 3428216), (22, 3116560), (32, 2142635), (40, 1714108), (44, 1558280), (55, 1246624), (80, 857054), (88, 779140), (110, 623312), (160, 428527), (163, 420640), (176, 389570), (220, 311656), (239, 286880), (326, 210320), (352, 194785), (440, 155828), (478, 143440), (652, 105160), (815, 84128), (880, 77914), (956, 71720), (1195, 57376), (1304, 52580), (1630, 42064), (1760, 38957), (1793, 38240), (1912, 35860), (2390, 28688), (2608, 26290), (2629, 26080), (3260, 21032), (3586, 19120), (3824, 17930), (4780, 14344), (5216, 13145), (5258, 13040), (6520, 10516), (7172, 9560), (7648, 8965)]