31451880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{751}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 94752000

約数和(自身を除く): 63300120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 698, 751, 1047, 1396, 1502, 1745, 2094, 2253, 2792, 3004, 3490, 3755, 4188, 4506, 5235, 6008, 6980, 7510, 8376, 9012, 10470, 11265, 13960, 15020, 18024, 20940, 22530, 30040, 41880, 45060, 90120, 262099, 524198, 786297, 1048396, 1310495, 1572594, 2096792, 2620990, 3145188, 3931485, 5241980, 6290376, 7862970, 10483960, 15725940, 31451880]

約数ペア:

[(1, 31451880), (2, 15725940), (3, 10483960), (4, 7862970), (5, 6290376), (6, 5241980), (8, 3931485), (10, 3145188), (12, 2620990), (15, 2096792), (20, 1572594), (24, 1310495), (30, 1048396), (40, 786297), (60, 524198), (120, 262099), (349, 90120), (698, 45060), (751, 41880), (1047, 30040), (1396, 22530), (1502, 20940), (1745, 18024), (2094, 15020), (2253, 13960), (2792, 11265), (3004, 10470), (3490, 9012), (3755, 8376), (4188, 7510), (4506, 6980), (5235, 6008)]