51731640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{143699}}^1$

素因数の和:143716

約数の個数: 48

約数和(自身を含む): 168129000

約数和(自身を除く): 116397360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 143699, 287398, 431097, 574796, 718495, 862194, 1149592, 1293291, 1436990, 1724388, 2155485, 2586582, 2873980, 3448776, 4310970, 5173164, 5747960, 6466455, 8621940, 10346328, 12932910, 17243880, 25865820, 51731640]

約数ペア:

[(1, 51731640), (2, 25865820), (3, 17243880), (4, 12932910), (5, 10346328), (6, 8621940), (8, 6466455), (9, 5747960), (10, 5173164), (12, 4310970), (15, 3448776), (18, 2873980), (20, 2586582), (24, 2155485), (30, 1724388), (36, 1436990), (40, 1293291), (45, 1149592), (60, 862194), (72, 718495), (90, 574796), (120, 431097), (180, 287398), (360, 143699)]