257902710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^2$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 688256352

約数和(自身を除く): 430353642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 127, 130, 195, 205, 246, 254, 381, 390, 410, 533, 615, 635, 762, 1066, 1230, 1270, 1599, 1651, 1905, 2665, 3198, 3302, 3810, 4953, 5207, 5330, 7995, 8255, 9906, 10414, 15621, 15990, 16129, 16510, 24765, 26035, 31242, 32258, 48387, 49530, 52070, 67691, 78105, 80645, 96774, 135382, 156210, 161290, 203073, 209677, 241935, 338455, 406146, 419354, 483870, 629031, 661289, 676910, 1015365, 1048385, 1258062, 1322578, 1983867, 2030730, 2096770, 3145155, 3306445, 3967734, 6290310, 6612890, 8596757, 9919335, 17193514, 19838670, 25790271, 42983785, 51580542, 85967570, 128951355, 257902710]

約数ペア:

[(1, 257902710), (2, 128951355), (3, 85967570), (5, 51580542), (6, 42983785), (10, 25790271), (13, 19838670), (15, 17193514), (26, 9919335), (30, 8596757), (39, 6612890), (41, 6290310), (65, 3967734), (78, 3306445), (82, 3145155), (123, 2096770), (127, 2030730), (130, 1983867), (195, 1322578), (205, 1258062), (246, 1048385), (254, 1015365), (381, 676910), (390, 661289), (410, 629031), (533, 483870), (615, 419354), (635, 406146), (762, 338455), (1066, 241935), (1230, 209677), (1270, 203073), (1599, 161290), (1651, 156210), (1905, 135382), (2665, 96774), (3198, 80645), (3302, 78105), (3810, 67691), (4953, 52070), (5207, 49530), (5330, 48387), (7995, 32258), (8255, 31242), (9906, 26035), (10414, 24765), (15621, 16510), (15990, 16129)]