267479780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 605552640

約数和(自身を除く): 338072860

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 79, 86, 124, 127, 155, 158, 172, 215, 254, 310, 316, 395, 430, 508, 620, 635, 790, 860, 1270, 1333, 1580, 2449, 2540, 2666, 3397, 3937, 4898, 5332, 5461, 6665, 6794, 7874, 9796, 10033, 10922, 12245, 13330, 13588, 15748, 16985, 19685, 20066, 21844, 24490, 26660, 27305, 33970, 39370, 40132, 48980, 50165, 54610, 67940, 78740, 100330, 105307, 109220, 169291, 200660, 210614, 311023, 338582, 421228, 431419, 526535, 622046, 677164, 846455, 862838, 1053070, 1244092, 1555115, 1692910, 1725676, 2106140, 2157095, 3110230, 3385820, 4314190, 6220460, 8628380, 13373989, 26747978, 53495956, 66869945, 133739890, 267479780]

約数ペア:

[(1, 267479780), (2, 133739890), (4, 66869945), (5, 53495956), (10, 26747978), (20, 13373989), (31, 8628380), (43, 6220460), (62, 4314190), (79, 3385820), (86, 3110230), (124, 2157095), (127, 2106140), (155, 1725676), (158, 1692910), (172, 1555115), (215, 1244092), (254, 1053070), (310, 862838), (316, 846455), (395, 677164), (430, 622046), (508, 526535), (620, 431419), (635, 421228), (790, 338582), (860, 311023), (1270, 210614), (1333, 200660), (1580, 169291), (2449, 109220), (2540, 105307), (2666, 100330), (3397, 78740), (3937, 67940), (4898, 54610), (5332, 50165), (5461, 48980), (6665, 40132), (6794, 39370), (7874, 33970), (9796, 27305), (10033, 26660), (10922, 24490), (12245, 21844), (13330, 20066), (13588, 19685), (15748, 16985)]