77806890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{123503}}^1$

素因数の和:123523

約数の個数: 48

約数和(自身を含む): 231199488

約数和(自身を除く): 153392598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 123503, 247006, 370509, 617515, 741018, 864521, 1111527, 1235030, 1729042, 1852545, 2223054, 2593563, 3705090, 4322605, 5187126, 5557635, 7780689, 8645210, 11115270, 12967815, 15561378, 25935630, 38903445, 77806890]

約数ペア:

[(1, 77806890), (2, 38903445), (3, 25935630), (5, 15561378), (6, 12967815), (7, 11115270), (9, 8645210), (10, 7780689), (14, 5557635), (15, 5187126), (18, 4322605), (21, 3705090), (30, 2593563), (35, 2223054), (42, 1852545), (45, 1729042), (63, 1235030), (70, 1111527), (90, 864521), (105, 741018), (126, 617515), (210, 370509), (315, 247006), (630, 123503)]