80716740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103483}}^1$

素因数の和:103508

約数の個数: 48

約数和(自身を含む): 243394368

約数和(自身を除く): 162677628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 103483, 206966, 310449, 413932, 517415, 620898, 1034830, 1241796, 1345279, 1552245, 2069660, 2690558, 3104490, 4035837, 5381116, 6208980, 6726395, 8071674, 13452790, 16143348, 20179185, 26905580, 40358370, 80716740]

約数ペア:

[(1, 80716740), (2, 40358370), (3, 26905580), (4, 20179185), (5, 16143348), (6, 13452790), (10, 8071674), (12, 6726395), (13, 6208980), (15, 5381116), (20, 4035837), (26, 3104490), (30, 2690558), (39, 2069660), (52, 1552245), (60, 1345279), (65, 1241796), (78, 1034830), (130, 620898), (156, 517415), (195, 413932), (260, 310449), (390, 206966), (780, 103483)]