15707721880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{119687}}^1$

素因数の和:119908

約数の個数: 64

約数和(自身を含む): 37615544640

約数和(自身を除く): 21907822760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 680, 772, 965, 1544, 1930, 3281, 3860, 6562, 7720, 13124, 16405, 26248, 32810, 65620, 119687, 131240, 239374, 478748, 598435, 957496, 1196870, 2034679, 2393740, 4069358, 4787480, 8138716, 10173395, 16277432, 20346790, 23099591, 40693580, 46199182, 81387160, 92398364, 115497955, 184796728, 230995910, 392693047, 461991820, 785386094, 923983640, 1570772188, 1963465235, 3141544376, 3926930470, 7853860940, 15707721880]

約数ペア:

[(1, 15707721880), (2, 7853860940), (4, 3926930470), (5, 3141544376), (8, 1963465235), (10, 1570772188), (17, 923983640), (20, 785386094), (34, 461991820), (40, 392693047), (68, 230995910), (85, 184796728), (136, 115497955), (170, 92398364), (193, 81387160), (340, 46199182), (386, 40693580), (680, 23099591), (772, 20346790), (965, 16277432), (1544, 10173395), (1930, 8138716), (3281, 4787480), (3860, 4069358), (6562, 2393740), (7720, 2034679), (13124, 1196870), (16405, 957496), (26248, 598435), (32810, 478748), (65620, 239374), (119687, 131240)]