1279328280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{288137}}^1$

素因数の和:288188

約数の個数: 64

約数和(自身を含む): 3941727840

約数和(自身を除く): 2662399560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 288137, 576274, 864411, 1152548, 1440685, 1728822, 2305096, 2881370, 3457644, 4322055, 5762740, 6915288, 8644110, 10661069, 11525480, 17288220, 21322138, 31983207, 34576440, 42644276, 53305345, 63966414, 85288552, 106610690, 127932828, 159916035, 213221380, 255865656, 319832070, 426442760, 639664140, 1279328280]

約数ペア:

[(1, 1279328280), (2, 639664140), (3, 426442760), (4, 319832070), (5, 255865656), (6, 213221380), (8, 159916035), (10, 127932828), (12, 106610690), (15, 85288552), (20, 63966414), (24, 53305345), (30, 42644276), (37, 34576440), (40, 31983207), (60, 21322138), (74, 17288220), (111, 11525480), (120, 10661069), (148, 8644110), (185, 6915288), (222, 5762740), (296, 4322055), (370, 3457644), (444, 2881370), (555, 2305096), (740, 1728822), (888, 1440685), (1110, 1152548), (1480, 864411), (2220, 576274), (4440, 288137)]