53257620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68279}}^1$

素因数の和:68304

約数の個数: 48

約数和(自身を含む): 160594560

約数和(自身を除く): 107336940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 68279, 136558, 204837, 273116, 341395, 409674, 682790, 819348, 887627, 1024185, 1365580, 1775254, 2048370, 2662881, 3550508, 4096740, 4438135, 5325762, 8876270, 10651524, 13314405, 17752540, 26628810, 53257620]

約数ペア:

[(1, 53257620), (2, 26628810), (3, 17752540), (4, 13314405), (5, 10651524), (6, 8876270), (10, 5325762), (12, 4438135), (13, 4096740), (15, 3550508), (20, 2662881), (26, 2048370), (30, 1775254), (39, 1365580), (52, 1024185), (60, 887627), (65, 819348), (78, 682790), (130, 409674), (156, 341395), (195, 273116), (260, 204837), (390, 136558), (780, 68279)]