131254440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3517}}^1$

素因数の和:3842

約数の個数: 64

約数和(自身を含む): 395141760

約数和(自身を除く): 263887320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 933, 1244, 1555, 1866, 2488, 3110, 3517, 3732, 4665, 6220, 7034, 7464, 9330, 10551, 12440, 14068, 17585, 18660, 21102, 28136, 35170, 37320, 42204, 52755, 70340, 84408, 105510, 140680, 211020, 422040, 1093787, 2187574, 3281361, 4375148, 5468935, 6562722, 8750296, 10937870, 13125444, 16406805, 21875740, 26250888, 32813610, 43751480, 65627220, 131254440]

約数ペア:

[(1, 131254440), (2, 65627220), (3, 43751480), (4, 32813610), (5, 26250888), (6, 21875740), (8, 16406805), (10, 13125444), (12, 10937870), (15, 8750296), (20, 6562722), (24, 5468935), (30, 4375148), (40, 3281361), (60, 2187574), (120, 1093787), (311, 422040), (622, 211020), (933, 140680), (1244, 105510), (1555, 84408), (1866, 70340), (2488, 52755), (3110, 42204), (3517, 37320), (3732, 35170), (4665, 28136), (6220, 21102), (7034, 18660), (7464, 17585), (9330, 14068), (10551, 12440)]