15947140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 36832320

約数和(自身を除く): 20885180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 419, 692, 838, 865, 1676, 1730, 1903, 2095, 3460, 3806, 4190, 4609, 7612, 8380, 9218, 9515, 18436, 19030, 23045, 38060, 46090, 72487, 92180, 144974, 289948, 362435, 724870, 797357, 1449740, 1594714, 3189428, 3986785, 7973570, 15947140]

約数ペア:

[(1, 15947140), (2, 7973570), (4, 3986785), (5, 3189428), (10, 1594714), (11, 1449740), (20, 797357), (22, 724870), (44, 362435), (55, 289948), (110, 144974), (173, 92180), (220, 72487), (346, 46090), (419, 38060), (692, 23045), (838, 19030), (865, 18436), (1676, 9515), (1730, 9218), (1903, 8380), (2095, 7612), (3460, 4609), (3806, 4190)]