156915001520

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2967379}}^1$

素因数の和:2968053

約数の個数: 40

約数和(自身を含む): 365379434160

約数和(自身を除く): 208464432640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 2644, 3305, 5288, 6610, 10576, 13220, 26440, 52880, 2967379, 5934758, 11869516, 14836895, 23739032, 29673790, 47478064, 59347580, 118695160, 237390320, 1961437519, 3922875038, 7845750076, 9807187595, 15691500152, 19614375190, 31383000304, 39228750380, 78457500760, 156915001520]

約数ペア:

[(1, 156915001520), (2, 78457500760), (4, 39228750380), (5, 31383000304), (8, 19614375190), (10, 15691500152), (16, 9807187595), (20, 7845750076), (40, 3922875038), (80, 1961437519), (661, 237390320), (1322, 118695160), (2644, 59347580), (3305, 47478064), (5288, 29673790), (6610, 23739032), (10576, 14836895), (13220, 11869516), (26440, 5934758), (52880, 2967379)]