80389980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3691}}^1$

素因数の和:3728

約数の個数: 108

約数和(自身を含む): 268105656

約数和(自身を除く): 187715676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 3691, 4356, 5445, 7260, 7382, 10890, 11073, 14764, 18455, 21780, 22146, 33219, 36910, 40601, 44292, 55365, 66438, 73820, 81202, 110730, 121803, 132876, 162404, 166095, 203005, 221460, 243606, 332190, 365409, 406010, 446611, 487212, 609015, 664380, 730818, 812020, 893222, 1218030, 1339833, 1461636, 1786444, 1827045, 2233055, 2436060, 2679666, 3654090, 4019499, 4466110, 5359332, 6699165, 7308180, 8038998, 8932220, 13398330, 16077996, 20097495, 26796660, 40194990, 80389980]

約数ペア:

[(1, 80389980), (2, 40194990), (3, 26796660), (4, 20097495), (5, 16077996), (6, 13398330), (9, 8932220), (10, 8038998), (11, 7308180), (12, 6699165), (15, 5359332), (18, 4466110), (20, 4019499), (22, 3654090), (30, 2679666), (33, 2436060), (36, 2233055), (44, 1827045), (45, 1786444), (55, 1461636), (60, 1339833), (66, 1218030), (90, 893222), (99, 812020), (110, 730818), (121, 664380), (132, 609015), (165, 487212), (180, 446611), (198, 406010), (220, 365409), (242, 332190), (330, 243606), (363, 221460), (396, 203005), (484, 166095), (495, 162404), (605, 132876), (660, 121803), (726, 110730), (990, 81202), (1089, 73820), (1210, 66438), (1452, 55365), (1815, 44292), (1980, 40601), (2178, 36910), (2420, 33219), (3630, 22146), (3691, 21780), (4356, 18455), (5445, 14764), (7260, 11073), (7382, 10890)]