30048440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 70588800

約数和(自身を除く): 40540360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 257, 296, 316, 370, 395, 514, 632, 740, 790, 1028, 1285, 1480, 1580, 2056, 2570, 2923, 3160, 5140, 5846, 9509, 10280, 11692, 14615, 19018, 20303, 23384, 29230, 38036, 40606, 47545, 58460, 76072, 81212, 95090, 101515, 116920, 162424, 190180, 203030, 380360, 406060, 751211, 812120, 1502422, 3004844, 3756055, 6009688, 7512110, 15024220, 30048440]

約数ペア:

[(1, 30048440), (2, 15024220), (4, 7512110), (5, 6009688), (8, 3756055), (10, 3004844), (20, 1502422), (37, 812120), (40, 751211), (74, 406060), (79, 380360), (148, 203030), (158, 190180), (185, 162424), (257, 116920), (296, 101515), (316, 95090), (370, 81212), (395, 76072), (514, 58460), (632, 47545), (740, 40606), (790, 38036), (1028, 29230), (1285, 23384), (1480, 20303), (1580, 19018), (2056, 14615), (2570, 11692), (2923, 10280), (3160, 9509), (5140, 5846)]