257024280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1531}}^1$

素因数の和:2944

約数の個数: 64

約数和(自身を含む): 772128000

約数和(自身を除く): 515103720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1399, 1531, 2798, 3062, 4197, 4593, 5596, 6124, 6995, 7655, 8394, 9186, 11192, 12248, 13990, 15310, 16788, 18372, 20985, 22965, 27980, 30620, 33576, 36744, 41970, 45930, 55960, 61240, 83940, 91860, 167880, 183720, 2141869, 4283738, 6425607, 8567476, 10709345, 12851214, 17134952, 21418690, 25702428, 32128035, 42837380, 51404856, 64256070, 85674760, 128512140, 257024280]

約数ペア:

[(1, 257024280), (2, 128512140), (3, 85674760), (4, 64256070), (5, 51404856), (6, 42837380), (8, 32128035), (10, 25702428), (12, 21418690), (15, 17134952), (20, 12851214), (24, 10709345), (30, 8567476), (40, 6425607), (60, 4283738), (120, 2141869), (1399, 183720), (1531, 167880), (2798, 91860), (3062, 83940), (4197, 61240), (4593, 55960), (5596, 45930), (6124, 41970), (6995, 36744), (7655, 33576), (8394, 30620), (9186, 27980), (11192, 22965), (12248, 20985), (13990, 18372), (15310, 16788)]