1299682617740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1\times {\mathrm{81919}}^1$

素因数の和:82519

約数の個数: 96

約数和(自身を含む): 2967207936000

約数和(自身を除く): 1667525318260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 439, 556, 695, 878, 1390, 1756, 1807, 2195, 2780, 3614, 4390, 5707, 7228, 8780, 9035, 11414, 18070, 22828, 28535, 36140, 57070, 61021, 81919, 114140, 122042, 163838, 244084, 305105, 327676, 409595, 610210, 793273, 819190, 1064947, 1220420, 1586546, 1638380, 2129894, 3173092, 3966365, 4259788, 5324735, 7932730, 10649470, 11386741, 15865460, 21298940, 22773482, 35962441, 45546964, 56933705, 71924882, 113867410, 143849764, 148027633, 179812205, 227734820, 296055266, 359624410, 467511733, 592110532, 719248820, 740138165, 935023466, 1480276330, 1870046932, 2337558665, 2960552660, 4675117330, 4998779299, 9350234660, 9997558598, 19995117196, 24993896495, 49987792990, 64984130887, 99975585980, 129968261774, 259936523548, 324920654435, 649841308870, 1299682617740]

約数ペア:

[(1, 1299682617740), (2, 649841308870), (4, 324920654435), (5, 259936523548), (10, 129968261774), (13, 99975585980), (20, 64984130887), (26, 49987792990), (52, 24993896495), (65, 19995117196), (130, 9997558598), (139, 9350234660), (260, 4998779299), (278, 4675117330), (439, 2960552660), (556, 2337558665), (695, 1870046932), (878, 1480276330), (1390, 935023466), (1756, 740138165), (1807, 719248820), (2195, 592110532), (2780, 467511733), (3614, 359624410), (4390, 296055266), (5707, 227734820), (7228, 179812205), (8780, 148027633), (9035, 143849764), (11414, 113867410), (18070, 71924882), (22828, 56933705), (28535, 45546964), (36140, 35962441), (57070, 22773482), (61021, 21298940), (81919, 15865460), (114140, 11386741), (122042, 10649470), (163838, 7932730), (244084, 5324735), (305105, 4259788), (327676, 3966365), (409595, 3173092), (610210, 2129894), (793273, 1638380), (819190, 1586546), (1064947, 1220420)]