11947980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 37433088

約数和(自身を除く): 25485108

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 421, 430, 473, 516, 645, 660, 842, 860, 946, 1263, 1290, 1419, 1684, 1892, 2105, 2365, 2526, 2580, 2838, 4210, 4631, 4730, 5052, 5676, 6315, 7095, 8420, 9262, 9460, 12630, 13893, 14190, 18103, 18524, 23155, 25260, 27786, 28380, 36206, 46310, 54309, 55572, 69465, 72412, 90515, 92620, 108618, 138930, 181030, 199133, 217236, 271545, 277860, 362060, 398266, 543090, 597399, 796532, 995665, 1086180, 1194798, 1991330, 2389596, 2986995, 3982660, 5973990, 11947980]

約数ペア:

[(1, 11947980), (2, 5973990), (3, 3982660), (4, 2986995), (5, 2389596), (6, 1991330), (10, 1194798), (11, 1086180), (12, 995665), (15, 796532), (20, 597399), (22, 543090), (30, 398266), (33, 362060), (43, 277860), (44, 271545), (55, 217236), (60, 199133), (66, 181030), (86, 138930), (110, 108618), (129, 92620), (132, 90515), (165, 72412), (172, 69465), (215, 55572), (220, 54309), (258, 46310), (330, 36206), (421, 28380), (430, 27786), (473, 25260), (516, 23155), (645, 18524), (660, 18103), (842, 14190), (860, 13893), (946, 12630), (1263, 9460), (1290, 9262), (1419, 8420), (1684, 7095), (1892, 6315), (2105, 5676), (2365, 5052), (2526, 4730), (2580, 4631), (2838, 4210)]