80473960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1721}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 208293120

約数和(自身を除く): 127819160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1670, 1721, 2338, 3340, 3442, 4676, 5845, 6680, 6884, 8605, 9352, 11690, 12047, 13768, 17210, 23380, 24094, 34420, 46760, 48188, 60235, 68840, 96376, 120470, 240940, 287407, 481880, 574814, 1149628, 1437035, 2011849, 2299256, 2874070, 4023698, 5748140, 8047396, 10059245, 11496280, 16094792, 20118490, 40236980, 80473960]

約数ペア:

[(1, 80473960), (2, 40236980), (4, 20118490), (5, 16094792), (7, 11496280), (8, 10059245), (10, 8047396), (14, 5748140), (20, 4023698), (28, 2874070), (35, 2299256), (40, 2011849), (56, 1437035), (70, 1149628), (140, 574814), (167, 481880), (280, 287407), (334, 240940), (668, 120470), (835, 96376), (1169, 68840), (1336, 60235), (1670, 48188), (1721, 46760), (2338, 34420), (3340, 24094), (3442, 23380), (4676, 17210), (5845, 13768), (6680, 12047), (6884, 11690), (8605, 9352)]