65461880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4021}}^1$

素因数の和:4080

約数の個数: 64

約数和(自身を含む): 165062880

約数和(自身を除く): 99601000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4021, 4070, 8042, 8140, 16084, 16280, 20105, 32168, 40210, 44231, 80420, 88462, 148777, 160840, 176924, 221155, 297554, 353848, 442310, 595108, 743885, 884620, 1190216, 1487770, 1636547, 1769240, 2975540, 3273094, 5951080, 6546188, 8182735, 13092376, 16365470, 32730940, 65461880]

約数ペア:

[(1, 65461880), (2, 32730940), (4, 16365470), (5, 13092376), (8, 8182735), (10, 6546188), (11, 5951080), (20, 3273094), (22, 2975540), (37, 1769240), (40, 1636547), (44, 1487770), (55, 1190216), (74, 884620), (88, 743885), (110, 595108), (148, 442310), (185, 353848), (220, 297554), (296, 221155), (370, 176924), (407, 160840), (440, 148777), (740, 88462), (814, 80420), (1480, 44231), (1628, 40210), (2035, 32168), (3256, 20105), (4021, 16280), (4070, 16084), (8042, 8140)]