81376740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9619}}^1$

素因数の和:9681

約数の個数: 72

約数和(自身を含む): 252120960

約数和(自身を除く): 170744220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 9619, 19238, 28857, 38476, 48095, 57714, 86571, 96190, 115428, 144285, 173142, 192380, 288570, 346284, 432855, 452093, 577140, 865710, 904186, 1356279, 1731420, 1808372, 2260465, 2712558, 4068837, 4520930, 5425116, 6781395, 8137674, 9041860, 13562790, 16275348, 20344185, 27125580, 40688370, 81376740]

約数ペア:

[(1, 81376740), (2, 40688370), (3, 27125580), (4, 20344185), (5, 16275348), (6, 13562790), (9, 9041860), (10, 8137674), (12, 6781395), (15, 5425116), (18, 4520930), (20, 4068837), (30, 2712558), (36, 2260465), (45, 1808372), (47, 1731420), (60, 1356279), (90, 904186), (94, 865710), (141, 577140), (180, 452093), (188, 432855), (235, 346284), (282, 288570), (423, 192380), (470, 173142), (564, 144285), (705, 115428), (846, 96190), (940, 86571), (1410, 57714), (1692, 48095), (2115, 38476), (2820, 28857), (4230, 19238), (8460, 9619)]