65481220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 167731200

約数和(自身を除く): 102249980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 103, 133, 140, 190, 206, 239, 266, 380, 412, 478, 515, 532, 665, 721, 956, 1030, 1195, 1330, 1442, 1673, 1957, 2060, 2390, 2660, 2884, 3346, 3605, 3914, 4541, 4780, 6692, 7210, 7828, 8365, 9082, 9785, 13699, 14420, 16730, 18164, 19570, 22705, 24617, 27398, 31787, 33460, 39140, 45410, 49234, 54796, 63574, 68495, 90820, 98468, 123085, 127148, 136990, 158935, 172319, 246170, 273980, 317870, 344638, 467723, 492340, 635740, 689276, 861595, 935446, 1723190, 1870892, 2338615, 3274061, 3446380, 4677230, 6548122, 9354460, 13096244, 16370305, 32740610, 65481220]

約数ペア:

[(1, 65481220), (2, 32740610), (4, 16370305), (5, 13096244), (7, 9354460), (10, 6548122), (14, 4677230), (19, 3446380), (20, 3274061), (28, 2338615), (35, 1870892), (38, 1723190), (70, 935446), (76, 861595), (95, 689276), (103, 635740), (133, 492340), (140, 467723), (190, 344638), (206, 317870), (239, 273980), (266, 246170), (380, 172319), (412, 158935), (478, 136990), (515, 127148), (532, 123085), (665, 98468), (721, 90820), (956, 68495), (1030, 63574), (1195, 54796), (1330, 49234), (1442, 45410), (1673, 39140), (1957, 33460), (2060, 31787), (2390, 27398), (2660, 24617), (2884, 22705), (3346, 19570), (3605, 18164), (3914, 16730), (4541, 14420), (4780, 13699), (6692, 9785), (7210, 9082), (7828, 8365)]