15939220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1367}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 37231488

約数和(自身を除く): 21292268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1367, 2332, 2734, 2915, 5468, 5830, 6835, 11660, 13670, 15037, 27340, 30074, 60148, 72451, 75185, 144902, 150370, 289804, 300740, 362255, 724510, 796961, 1449020, 1593922, 3187844, 3984805, 7969610, 15939220]

約数ペア:

[(1, 15939220), (2, 7969610), (4, 3984805), (5, 3187844), (10, 1593922), (11, 1449020), (20, 796961), (22, 724510), (44, 362255), (53, 300740), (55, 289804), (106, 150370), (110, 144902), (212, 75185), (220, 72451), (265, 60148), (530, 30074), (583, 27340), (1060, 15037), (1166, 13670), (1367, 11660), (2332, 6835), (2734, 5830), (2915, 5468)]