161986140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5521}}^1$

素因数の和:5699

約数の個数: 72

約数和(自身を含む): 494461968

約数和(自身を除く): 332475828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5521, 5868, 7335, 9780, 11042, 14670, 16563, 22084, 27605, 29340, 33126, 49689, 55210, 66252, 82815, 99378, 110420, 165630, 198756, 248445, 331260, 496890, 899923, 993780, 1799846, 2699769, 3599692, 4499615, 5399538, 8099307, 8999230, 10799076, 13498845, 16198614, 17998460, 26997690, 32397228, 40496535, 53995380, 80993070, 161986140]

約数ペア:

[(1, 161986140), (2, 80993070), (3, 53995380), (4, 40496535), (5, 32397228), (6, 26997690), (9, 17998460), (10, 16198614), (12, 13498845), (15, 10799076), (18, 8999230), (20, 8099307), (30, 5399538), (36, 4499615), (45, 3599692), (60, 2699769), (90, 1799846), (163, 993780), (180, 899923), (326, 496890), (489, 331260), (652, 248445), (815, 198756), (978, 165630), (1467, 110420), (1630, 99378), (1956, 82815), (2445, 66252), (2934, 55210), (3260, 49689), (4890, 33126), (5521, 29340), (5868, 27605), (7335, 22084), (9780, 16563), (11042, 14670)]