309397360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 753166080

約数和(自身を除く): 443768720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1168, 1240, 1460, 1709, 2263, 2480, 2920, 3418, 4526, 5840, 6836, 8545, 9052, 11315, 13672, 17090, 18104, 22630, 27344, 34180, 36208, 45260, 52979, 68360, 90520, 105958, 124757, 136720, 181040, 211916, 249514, 264895, 423832, 499028, 529790, 623785, 847664, 998056, 1059580, 1247570, 1996112, 2119160, 2495140, 3867467, 4238320, 4990280, 7734934, 9980560, 15469868, 19337335, 30939736, 38674670, 61879472, 77349340, 154698680, 309397360]

約数ペア:

[(1, 309397360), (2, 154698680), (4, 77349340), (5, 61879472), (8, 38674670), (10, 30939736), (16, 19337335), (20, 15469868), (31, 9980560), (40, 7734934), (62, 4990280), (73, 4238320), (80, 3867467), (124, 2495140), (146, 2119160), (155, 1996112), (248, 1247570), (292, 1059580), (310, 998056), (365, 847664), (496, 623785), (584, 529790), (620, 499028), (730, 423832), (1168, 264895), (1240, 249514), (1460, 211916), (1709, 181040), (2263, 136720), (2480, 124757), (2920, 105958), (3418, 90520), (4526, 68360), (5840, 52979), (6836, 45260), (8545, 36208), (9052, 34180), (11315, 27344), (13672, 22630), (17090, 18104)]