531570640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2081}}^1$

素因数の和:2228

約数の個数: 80

約数和(自身を含む): 1288774656

約数和(自身を除く): 757204016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 206, 248, 310, 412, 496, 515, 620, 824, 1030, 1240, 1648, 2060, 2081, 2480, 3193, 4120, 4162, 6386, 8240, 8324, 10405, 12772, 15965, 16648, 20810, 25544, 31930, 33296, 41620, 51088, 63860, 64511, 83240, 127720, 129022, 166480, 214343, 255440, 258044, 322555, 428686, 516088, 645110, 857372, 1032176, 1071715, 1290220, 1714744, 2143430, 2580440, 3429488, 4286860, 5160880, 6644633, 8573720, 13289266, 17147440, 26578532, 33223165, 53157064, 66446330, 106314128, 132892660, 265785320, 531570640]

約数ペア:

[(1, 531570640), (2, 265785320), (4, 132892660), (5, 106314128), (8, 66446330), (10, 53157064), (16, 33223165), (20, 26578532), (31, 17147440), (40, 13289266), (62, 8573720), (80, 6644633), (103, 5160880), (124, 4286860), (155, 3429488), (206, 2580440), (248, 2143430), (310, 1714744), (412, 1290220), (496, 1071715), (515, 1032176), (620, 857372), (824, 645110), (1030, 516088), (1240, 428686), (1648, 322555), (2060, 258044), (2081, 255440), (2480, 214343), (3193, 166480), (4120, 129022), (4162, 127720), (6386, 83240), (8240, 64511), (8324, 63860), (10405, 51088), (12772, 41620), (15965, 33296), (16648, 31930), (20810, 25544)]