1273201280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^1$

素因数の和:1286

約数の個数: 128

約数和(自身を含む): 3304763280

約数和(自身を除く): 2031562000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 137, 160, 208, 260, 274, 320, 416, 520, 548, 640, 685, 832, 1040, 1096, 1117, 1370, 1664, 1781, 2080, 2192, 2234, 2740, 3562, 4160, 4384, 4468, 5480, 5585, 7124, 8320, 8768, 8905, 8936, 10960, 11170, 14248, 14521, 17536, 17810, 17872, 21920, 22340, 28496, 29042, 35620, 35744, 43840, 44680, 56992, 58084, 71240, 71488, 72605, 87680, 89360, 113984, 116168, 142480, 142976, 145210, 153029, 178720, 227968, 232336, 284960, 290420, 306058, 357440, 464672, 569920, 580840, 612116, 714880, 765145, 929344, 1139840, 1161680, 1224232, 1530290, 1858688, 1989377, 2323360, 2448464, 3060580, 3978754, 4646720, 4896928, 6121160, 7957508, 9293440, 9793856, 9946885, 12242320, 15915016, 19587712, 19893770, 24484640, 31830032, 39787540, 48969280, 63660064, 79575080, 97938560, 127320128, 159150160, 254640256, 318300320, 636600640, 1273201280]

約数ペア:

[(1, 1273201280), (2, 636600640), (4, 318300320), (5, 254640256), (8, 159150160), (10, 127320128), (13, 97938560), (16, 79575080), (20, 63660064), (26, 48969280), (32, 39787540), (40, 31830032), (52, 24484640), (64, 19893770), (65, 19587712), (80, 15915016), (104, 12242320), (128, 9946885), (130, 9793856), (137, 9293440), (160, 7957508), (208, 6121160), (260, 4896928), (274, 4646720), (320, 3978754), (416, 3060580), (520, 2448464), (548, 2323360), (640, 1989377), (685, 1858688), (832, 1530290), (1040, 1224232), (1096, 1161680), (1117, 1139840), (1370, 929344), (1664, 765145), (1781, 714880), (2080, 612116), (2192, 580840), (2234, 569920), (2740, 464672), (3562, 357440), (4160, 306058), (4384, 290420), (4468, 284960), (5480, 232336), (5585, 227968), (7124, 178720), (8320, 153029), (8768, 145210), (8905, 142976), (8936, 142480), (10960, 116168), (11170, 113984), (14248, 89360), (14521, 87680), (17536, 72605), (17810, 71488), (17872, 71240), (21920, 58084), (22340, 56992), (28496, 44680), (29042, 43840), (35620, 35744)]