156987485020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1\times {\mathrm{1997}}^1$

素因数の和:3371

約数の個数: 96

約数和(自身を含む): 344063655936

約数和(自身を除く): 187076170916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 1231, 1997, 2060, 2462, 3193, 3994, 4924, 6155, 6386, 7988, 9985, 12310, 12772, 15965, 19970, 24620, 31930, 38161, 39940, 61907, 63860, 76322, 123814, 126793, 152644, 190805, 205691, 247628, 253586, 309535, 381610, 411382, 507172, 619070, 633965, 763220, 822764, 1028455, 1238140, 1267930, 2056910, 2458307, 2535860, 3930583, 4113820, 4916614, 6376421, 7861166, 9833228, 12291535, 12752842, 15722332, 19652915, 24583070, 25505684, 31882105, 39305830, 49166140, 63764210, 76207517, 78611660, 127528420, 152415034, 253205621, 304830068, 381037585, 506411242, 762075170, 1012822484, 1266028105, 1524150340, 2532056210, 5064112420, 7849374251, 15698748502, 31397497004, 39246871255, 78493742510, 156987485020]

約数ペア:

[(1, 156987485020), (2, 78493742510), (4, 39246871255), (5, 31397497004), (10, 15698748502), (20, 7849374251), (31, 5064112420), (62, 2532056210), (103, 1524150340), (124, 1266028105), (155, 1012822484), (206, 762075170), (310, 506411242), (412, 381037585), (515, 304830068), (620, 253205621), (1030, 152415034), (1231, 127528420), (1997, 78611660), (2060, 76207517), (2462, 63764210), (3193, 49166140), (3994, 39305830), (4924, 31882105), (6155, 25505684), (6386, 24583070), (7988, 19652915), (9985, 15722332), (12310, 12752842), (12772, 12291535), (15965, 9833228), (19970, 7861166), (24620, 6376421), (31930, 4916614), (38161, 4113820), (39940, 3930583), (61907, 2535860), (63860, 2458307), (76322, 2056910), (123814, 1267930), (126793, 1238140), (152644, 1028455), (190805, 822764), (205691, 763220), (247628, 633965), (253586, 619070), (309535, 507172), (381610, 411382)]