1320369670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 2512392192

約数和(自身を除く): 1192022522

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 151, 155, 302, 310, 335, 421, 670, 755, 842, 1510, 2077, 2105, 4154, 4210, 4681, 9362, 10117, 10385, 13051, 20234, 20770, 23405, 26102, 28207, 46810, 50585, 56414, 63571, 65255, 101170, 127142, 130510, 141035, 282070, 313627, 317855, 627254, 635710, 874417, 1568135, 1748834, 1970701, 3136270, 3941402, 4259257, 4372085, 8518514, 8744170, 9853505, 19707010, 21296285, 42592570, 132036967, 264073934, 660184835, 1320369670]

約数ペア:

[(1, 1320369670), (2, 660184835), (5, 264073934), (10, 132036967), (31, 42592570), (62, 21296285), (67, 19707010), (134, 9853505), (151, 8744170), (155, 8518514), (302, 4372085), (310, 4259257), (335, 3941402), (421, 3136270), (670, 1970701), (755, 1748834), (842, 1568135), (1510, 874417), (2077, 635710), (2105, 627254), (4154, 317855), (4210, 313627), (4681, 282070), (9362, 141035), (10117, 130510), (10385, 127142), (13051, 101170), (20234, 65255), (20770, 63571), (23405, 56414), (26102, 50585), (28207, 46810)]