31031760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 96779520

約数和(自身を除く): 65747760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 541, 717, 956, 1082, 1195, 1434, 1623, 1912, 2164, 2390, 2705, 2868, 3246, 3585, 3824, 4328, 4780, 5410, 5736, 6492, 7170, 8115, 8656, 9560, 10820, 11472, 12984, 14340, 16230, 19120, 21640, 25968, 28680, 32460, 43280, 57360, 64920, 129299, 129840, 258598, 387897, 517196, 646495, 775794, 1034392, 1292990, 1551588, 1939485, 2068784, 2585980, 3103176, 3878970, 5171960, 6206352, 7757940, 10343920, 15515880, 31031760]

約数ペア:

[(1, 31031760), (2, 15515880), (3, 10343920), (4, 7757940), (5, 6206352), (6, 5171960), (8, 3878970), (10, 3103176), (12, 2585980), (15, 2068784), (16, 1939485), (20, 1551588), (24, 1292990), (30, 1034392), (40, 775794), (48, 646495), (60, 517196), (80, 387897), (120, 258598), (239, 129840), (240, 129299), (478, 64920), (541, 57360), (717, 43280), (956, 32460), (1082, 28680), (1195, 25968), (1434, 21640), (1623, 19120), (1912, 16230), (2164, 14340), (2390, 12984), (2705, 11472), (2868, 10820), (3246, 9560), (3585, 8656), (3824, 8115), (4328, 7170), (4780, 6492), (5410, 5736)]