1251640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 3175200

約数和(自身を除く): 1923560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 83, 104, 116, 130, 145, 166, 232, 260, 290, 332, 377, 415, 520, 580, 664, 754, 830, 1079, 1160, 1508, 1660, 1885, 2158, 2407, 3016, 3320, 3770, 4316, 4814, 5395, 7540, 8632, 9628, 10790, 12035, 15080, 19256, 21580, 24070, 31291, 43160, 48140, 62582, 96280, 125164, 156455, 250328, 312910, 625820, 1251640]

約数ペア:

[(1, 1251640), (2, 625820), (4, 312910), (5, 250328), (8, 156455), (10, 125164), (13, 96280), (20, 62582), (26, 48140), (29, 43160), (40, 31291), (52, 24070), (58, 21580), (65, 19256), (83, 15080), (104, 12035), (116, 10790), (130, 9628), (145, 8632), (166, 7540), (232, 5395), (260, 4814), (290, 4316), (332, 3770), (377, 3320), (415, 3016), (520, 2407), (580, 2158), (664, 1885), (754, 1660), (830, 1508), (1079, 1160)]