128604720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1723}}^1$

素因数の和:2050

約数の個数: 80

約数和(自身を含む): 400188672

約数和(自身を除く): 271583952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 622, 933, 1244, 1555, 1723, 1866, 2488, 3110, 3446, 3732, 4665, 4976, 5169, 6220, 6892, 7464, 8615, 9330, 10338, 12440, 13784, 14928, 17230, 18660, 20676, 24880, 25845, 27568, 34460, 37320, 41352, 51690, 68920, 74640, 82704, 103380, 137840, 206760, 413520, 535853, 1071706, 1607559, 2143412, 2679265, 3215118, 4286824, 5358530, 6430236, 8037795, 8573648, 10717060, 12860472, 16075590, 21434120, 25720944, 32151180, 42868240, 64302360, 128604720]

約数ペア:

[(1, 128604720), (2, 64302360), (3, 42868240), (4, 32151180), (5, 25720944), (6, 21434120), (8, 16075590), (10, 12860472), (12, 10717060), (15, 8573648), (16, 8037795), (20, 6430236), (24, 5358530), (30, 4286824), (40, 3215118), (48, 2679265), (60, 2143412), (80, 1607559), (120, 1071706), (240, 535853), (311, 413520), (622, 206760), (933, 137840), (1244, 103380), (1555, 82704), (1723, 74640), (1866, 68920), (2488, 51690), (3110, 41352), (3446, 37320), (3732, 34460), (4665, 27568), (4976, 25845), (5169, 24880), (6220, 20676), (6892, 18660), (7464, 17230), (8615, 14928), (9330, 13784), (10338, 12440)]