268414120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16651}}^1$

素因数の和:16706

約数の個数: 64

約数和(自身を含む): 671408640

約数和(自身を除く): 402994520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 16651, 33302, 66604, 83255, 133208, 166510, 216463, 333020, 432926, 516181, 666040, 865852, 1032362, 1082315, 1731704, 2064724, 2164630, 2580905, 4129448, 4329260, 5161810, 6710353, 8658520, 10323620, 13420706, 20647240, 26841412, 33551765, 53682824, 67103530, 134207060, 268414120]

約数ペア:

[(1, 268414120), (2, 134207060), (4, 67103530), (5, 53682824), (8, 33551765), (10, 26841412), (13, 20647240), (20, 13420706), (26, 10323620), (31, 8658520), (40, 6710353), (52, 5161810), (62, 4329260), (65, 4129448), (104, 2580905), (124, 2164630), (130, 2064724), (155, 1731704), (248, 1082315), (260, 1032362), (310, 865852), (403, 666040), (520, 516181), (620, 432926), (806, 333020), (1240, 216463), (1612, 166510), (2015, 133208), (3224, 83255), (4030, 66604), (8060, 33302), (16120, 16651)]