6430840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 15876000

約数和(自身を除く): 9445160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 149, 166, 260, 298, 332, 415, 520, 596, 664, 745, 830, 1079, 1192, 1490, 1660, 1937, 2158, 2980, 3320, 3874, 4316, 5395, 5960, 7748, 8632, 9685, 10790, 12367, 15496, 19370, 21580, 24734, 38740, 43160, 49468, 61835, 77480, 98936, 123670, 160771, 247340, 321542, 494680, 643084, 803855, 1286168, 1607710, 3215420, 6430840]

約数ペア:

[(1, 6430840), (2, 3215420), (4, 1607710), (5, 1286168), (8, 803855), (10, 643084), (13, 494680), (20, 321542), (26, 247340), (40, 160771), (52, 123670), (65, 98936), (83, 77480), (104, 61835), (130, 49468), (149, 43160), (166, 38740), (260, 24734), (298, 21580), (332, 19370), (415, 15496), (520, 12367), (596, 10790), (664, 9685), (745, 8632), (830, 7748), (1079, 5960), (1192, 5395), (1490, 4316), (1660, 3874), (1937, 3320), (2158, 2980)]