11112540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 31479840

約数和(自身を除く): 20367300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2081, 2670, 4162, 5340, 6243, 8324, 10405, 12486, 20810, 24972, 31215, 41620, 62430, 124860, 185209, 370418, 555627, 740836, 926045, 1111254, 1852090, 2222508, 2778135, 3704180, 5556270, 11112540]

約数ペア:

[(1, 11112540), (2, 5556270), (3, 3704180), (4, 2778135), (5, 2222508), (6, 1852090), (10, 1111254), (12, 926045), (15, 740836), (20, 555627), (30, 370418), (60, 185209), (89, 124860), (178, 62430), (267, 41620), (356, 31215), (445, 24972), (534, 20810), (890, 12486), (1068, 10405), (1335, 8324), (1780, 6243), (2081, 5340), (2670, 4162)]