120172120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 281088000

約数和(自身を除く): 160915880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 487, 620, 796, 974, 995, 1240, 1592, 1948, 1990, 2435, 3896, 3980, 4870, 6169, 7960, 9740, 12338, 15097, 19480, 24676, 30194, 30845, 49352, 60388, 61690, 75485, 96913, 120776, 123380, 150970, 193826, 246760, 301940, 387652, 484565, 603880, 775304, 969130, 1938260, 3004303, 3876520, 6008606, 12017212, 15021515, 24034424, 30043030, 60086060, 120172120]

約数ペア:

[(1, 120172120), (2, 60086060), (4, 30043030), (5, 24034424), (8, 15021515), (10, 12017212), (20, 6008606), (31, 3876520), (40, 3004303), (62, 1938260), (124, 969130), (155, 775304), (199, 603880), (248, 484565), (310, 387652), (398, 301940), (487, 246760), (620, 193826), (796, 150970), (974, 123380), (995, 120776), (1240, 96913), (1592, 75485), (1948, 61690), (1990, 60388), (2435, 49352), (3896, 30845), (3980, 30194), (4870, 24676), (6169, 19480), (7960, 15097), (9740, 12338)]