128384360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1657}}^1$

素因数の和:1830

約数の個数: 64

約数和(自身を含む): 313362000

約数和(自身を除く): 184977640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1657, 1937, 2980, 3314, 3874, 5960, 6628, 7748, 8285, 9685, 13256, 15496, 16570, 19370, 21541, 33140, 38740, 43082, 66280, 77480, 86164, 107705, 172328, 215410, 246893, 430820, 493786, 861640, 987572, 1234465, 1975144, 2468930, 3209609, 4937860, 6419218, 9875720, 12838436, 16048045, 25676872, 32096090, 64192180, 128384360]

約数ペア:

[(1, 128384360), (2, 64192180), (4, 32096090), (5, 25676872), (8, 16048045), (10, 12838436), (13, 9875720), (20, 6419218), (26, 4937860), (40, 3209609), (52, 2468930), (65, 1975144), (104, 1234465), (130, 987572), (149, 861640), (260, 493786), (298, 430820), (520, 246893), (596, 215410), (745, 172328), (1192, 107705), (1490, 86164), (1657, 77480), (1937, 66280), (2980, 43082), (3314, 38740), (3874, 33140), (5960, 21541), (6628, 19370), (7748, 16570), (8285, 15496), (9685, 13256)]