255997680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4463}}^1$

素因数の和:4718

約数の個数: 80

約数和(自身を含む): 797091840

約数和(自身を除く): 541094160

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, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 3824, 4463, 4780, 5736, 7170, 8926, 9560, 11472, 13389, 14340, 17852, 19120, 22315, 26778, 28680, 35704, 44630, 53556, 57360, 66945, 71408, 89260, 107112, 133890, 178520, 214224, 267780, 357040, 535560, 1066657, 1071120, 2133314, 3199971, 4266628, 5333285, 6399942, 8533256, 10666570, 12799884, 15999855, 17066512, 21333140, 25599768, 31999710, 42666280, 51199536, 63999420, 85332560, 127998840, 255997680]

約数ペア:

[(1, 255997680), (2, 127998840), (3, 85332560), (4, 63999420), (5, 51199536), (6, 42666280), (8, 31999710), (10, 25599768), (12, 21333140), (15, 17066512), (16, 15999855), (20, 12799884), (24, 10666570), (30, 8533256), (40, 6399942), (48, 5333285), (60, 4266628), (80, 3199971), (120, 2133314), (239, 1071120), (240, 1066657), (478, 535560), (717, 357040), (956, 267780), (1195, 214224), (1434, 178520), (1912, 133890), (2390, 107112), (2868, 89260), (3585, 71408), (3824, 66945), (4463, 57360), (4780, 53556), (5736, 44630), (7170, 35704), (8926, 28680), (9560, 26778), (11472, 22315), (13389, 19120), (14340, 17852)]