72501380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 178573248

約数和(自身を除く): 106071868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 167, 196, 245, 334, 443, 490, 668, 835, 886, 980, 1169, 1670, 1772, 2215, 2338, 3101, 3340, 4430, 4676, 5845, 6202, 8183, 8860, 11690, 12404, 15505, 16366, 21707, 23380, 31010, 32732, 40915, 43414, 62020, 73981, 81830, 86828, 108535, 147962, 163660, 217070, 295924, 369905, 434140, 517867, 739810, 1035734, 1479620, 2071468, 2589335, 3625069, 5178670, 7250138, 10357340, 14500276, 18125345, 36250690, 72501380]

約数ペア:

[(1, 72501380), (2, 36250690), (4, 18125345), (5, 14500276), (7, 10357340), (10, 7250138), (14, 5178670), (20, 3625069), (28, 2589335), (35, 2071468), (49, 1479620), (70, 1035734), (98, 739810), (140, 517867), (167, 434140), (196, 369905), (245, 295924), (334, 217070), (443, 163660), (490, 147962), (668, 108535), (835, 86828), (886, 81830), (980, 73981), (1169, 62020), (1670, 43414), (1772, 40915), (2215, 32732), (2338, 31010), (3101, 23380), (3340, 21707), (4430, 16366), (4676, 15505), (5845, 12404), (6202, 11690), (8183, 8860)]