256295820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1791

約数の個数: 96

約数和(自身を含む): 786433536

約数和(自身を除く): 530137716

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 257, 330, 514, 660, 771, 1028, 1285, 1511, 1542, 2570, 2827, 3022, 3084, 3855, 4533, 5140, 5654, 6044, 7555, 7710, 8481, 9066, 11308, 14135, 15110, 15420, 16621, 16962, 18132, 22665, 28270, 30220, 33242, 33924, 42405, 45330, 49863, 56540, 66484, 83105, 84810, 90660, 99726, 166210, 169620, 199452, 249315, 332420, 388327, 498630, 776654, 997260, 1164981, 1553308, 1941635, 2329962, 3883270, 4271597, 4659924, 5824905, 7766540, 8543194, 11649810, 12814791, 17086388, 21357985, 23299620, 25629582, 42715970, 51259164, 64073955, 85431940, 128147910, 256295820]

約数ペア:

[(1, 256295820), (2, 128147910), (3, 85431940), (4, 64073955), (5, 51259164), (6, 42715970), (10, 25629582), (11, 23299620), (12, 21357985), (15, 17086388), (20, 12814791), (22, 11649810), (30, 8543194), (33, 7766540), (44, 5824905), (55, 4659924), (60, 4271597), (66, 3883270), (110, 2329962), (132, 1941635), (165, 1553308), (220, 1164981), (257, 997260), (330, 776654), (514, 498630), (660, 388327), (771, 332420), (1028, 249315), (1285, 199452), (1511, 169620), (1542, 166210), (2570, 99726), (2827, 90660), (3022, 84810), (3084, 83105), (3855, 66484), (4533, 56540), (5140, 49863), (5654, 45330), (6044, 42405), (7555, 33924), (7710, 33242), (8481, 30220), (9066, 28270), (11308, 22665), (14135, 18132), (15110, 16962), (15420, 16621)]