261255840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{757}}^1$

素因数の和:1494

約数の個数: 96

約数和(自身を含む): 825189120

約数和(自身を除く): 563933280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 719, 757, 1438, 1514, 2157, 2271, 2876, 3028, 3595, 3785, 4314, 4542, 5752, 6056, 7190, 7570, 8628, 9084, 10785, 11355, 11504, 12112, 14380, 15140, 17256, 18168, 21570, 22710, 23008, 24224, 28760, 30280, 34512, 36336, 43140, 45420, 57520, 60560, 69024, 72672, 86280, 90840, 115040, 121120, 172560, 181680, 345120, 363360, 544283, 1088566, 1632849, 2177132, 2721415, 3265698, 4354264, 5442830, 6531396, 8164245, 8708528, 10885660, 13062792, 16328490, 17417056, 21771320, 26125584, 32656980, 43542640, 52251168, 65313960, 87085280, 130627920, 261255840]

約数ペア:

[(1, 261255840), (2, 130627920), (3, 87085280), (4, 65313960), (5, 52251168), (6, 43542640), (8, 32656980), (10, 26125584), (12, 21771320), (15, 17417056), (16, 16328490), (20, 13062792), (24, 10885660), (30, 8708528), (32, 8164245), (40, 6531396), (48, 5442830), (60, 4354264), (80, 3265698), (96, 2721415), (120, 2177132), (160, 1632849), (240, 1088566), (480, 544283), (719, 363360), (757, 345120), (1438, 181680), (1514, 172560), (2157, 121120), (2271, 115040), (2876, 90840), (3028, 86280), (3595, 72672), (3785, 69024), (4314, 60560), (4542, 57520), (5752, 45420), (6056, 43140), (7190, 36336), (7570, 34512), (8628, 30280), (9084, 28760), (10785, 24224), (11355, 23008), (11504, 22710), (12112, 21570), (14380, 18168), (15140, 17256)]