15777776120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1\times {\mathrm{4463}}^1$

素因数の和:7356

約数の個数: 64

約数和(自身を含む): 36666224640

約数和(自身を除く): 20888448520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2851, 4463, 5702, 8926, 11404, 14255, 17852, 22315, 22808, 28510, 35704, 44630, 57020, 88381, 89260, 114040, 138353, 176762, 178520, 276706, 353524, 441905, 553412, 691765, 707048, 883810, 1106824, 1383530, 1767620, 2767060, 3535240, 5534120, 12724013, 25448026, 50896052, 63620065, 101792104, 127240130, 254480260, 394444403, 508960520, 788888806, 1577777612, 1972222015, 3155555224, 3944444030, 7888888060, 15777776120]

約数ペア:

[(1, 15777776120), (2, 7888888060), (4, 3944444030), (5, 3155555224), (8, 1972222015), (10, 1577777612), (20, 788888806), (31, 508960520), (40, 394444403), (62, 254480260), (124, 127240130), (155, 101792104), (248, 63620065), (310, 50896052), (620, 25448026), (1240, 12724013), (2851, 5534120), (4463, 3535240), (5702, 2767060), (8926, 1767620), (11404, 1383530), (14255, 1106824), (17852, 883810), (22315, 707048), (22808, 691765), (28510, 553412), (35704, 441905), (44630, 353524), (57020, 276706), (88381, 178520), (89260, 176762), (114040, 138353)]