380660080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 911370240

約数和(自身を除く): 530710160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 239, 344, 430, 463, 478, 688, 860, 926, 956, 1195, 1720, 1852, 1912, 2315, 2390, 3440, 3704, 3824, 4630, 4780, 7408, 9260, 9560, 10277, 18520, 19120, 19909, 20554, 37040, 39818, 41108, 51385, 79636, 82216, 99545, 102770, 110657, 159272, 164432, 199090, 205540, 221314, 318544, 398180, 411080, 442628, 553285, 796360, 822160, 885256, 1106570, 1592720, 1770512, 2213140, 4426280, 4758251, 8852560, 9516502, 19033004, 23791255, 38066008, 47582510, 76132016, 95165020, 190330040, 380660080]

約数ペア:

[(1, 380660080), (2, 190330040), (4, 95165020), (5, 76132016), (8, 47582510), (10, 38066008), (16, 23791255), (20, 19033004), (40, 9516502), (43, 8852560), (80, 4758251), (86, 4426280), (172, 2213140), (215, 1770512), (239, 1592720), (344, 1106570), (430, 885256), (463, 822160), (478, 796360), (688, 553285), (860, 442628), (926, 411080), (956, 398180), (1195, 318544), (1720, 221314), (1852, 205540), (1912, 199090), (2315, 164432), (2390, 159272), (3440, 110657), (3704, 102770), (3824, 99545), (4630, 82216), (4780, 79636), (7408, 51385), (9260, 41108), (9560, 39818), (10277, 37040), (18520, 20554), (19120, 19909)]