256216620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3769}}^1$

素因数の和:3895

約数の個数: 96

約数和(自身を含む): 790433280

約数和(自身を除く): 534216660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 103, 110, 132, 165, 206, 220, 309, 330, 412, 515, 618, 660, 1030, 1133, 1236, 1545, 2060, 2266, 3090, 3399, 3769, 4532, 5665, 6180, 6798, 7538, 11307, 11330, 13596, 15076, 16995, 18845, 22614, 22660, 33990, 37690, 41459, 45228, 56535, 67980, 75380, 82918, 113070, 124377, 165836, 207295, 226140, 248754, 388207, 414590, 497508, 621885, 776414, 829180, 1164621, 1243770, 1552828, 1941035, 2329242, 2487540, 3882070, 4270277, 4658484, 5823105, 7764140, 8540554, 11646210, 12810831, 17081108, 21351385, 23292420, 25621662, 42702770, 51243324, 64054155, 85405540, 128108310, 256216620]

約数ペア:

[(1, 256216620), (2, 128108310), (3, 85405540), (4, 64054155), (5, 51243324), (6, 42702770), (10, 25621662), (11, 23292420), (12, 21351385), (15, 17081108), (20, 12810831), (22, 11646210), (30, 8540554), (33, 7764140), (44, 5823105), (55, 4658484), (60, 4270277), (66, 3882070), (103, 2487540), (110, 2329242), (132, 1941035), (165, 1552828), (206, 1243770), (220, 1164621), (309, 829180), (330, 776414), (412, 621885), (515, 497508), (618, 414590), (660, 388207), (1030, 248754), (1133, 226140), (1236, 207295), (1545, 165836), (2060, 124377), (2266, 113070), (3090, 82918), (3399, 75380), (3769, 67980), (4532, 56535), (5665, 45228), (6180, 41459), (6798, 37690), (7538, 33990), (11307, 22660), (11330, 22614), (13596, 18845), (15076, 16995)]