87153880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1637}}^1$

素因数の和:1681

約数の個数: 64

約数和(自身を含む): 215822880

約数和(自身を除く): 128669000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 1637, 2420, 2662, 3274, 4840, 5324, 6548, 6655, 8185, 10648, 13096, 13310, 16370, 18007, 26620, 32740, 36014, 53240, 65480, 72028, 90035, 144056, 180070, 198077, 360140, 396154, 720280, 792308, 990385, 1584616, 1980770, 2178847, 3961540, 4357694, 7923080, 8715388, 10894235, 17430776, 21788470, 43576940, 87153880]

約数ペア:

[(1, 87153880), (2, 43576940), (4, 21788470), (5, 17430776), (8, 10894235), (10, 8715388), (11, 7923080), (20, 4357694), (22, 3961540), (40, 2178847), (44, 1980770), (55, 1584616), (88, 990385), (110, 792308), (121, 720280), (220, 396154), (242, 360140), (440, 198077), (484, 180070), (605, 144056), (968, 90035), (1210, 72028), (1331, 65480), (1637, 53240), (2420, 36014), (2662, 32740), (3274, 26620), (4840, 18007), (5324, 16370), (6548, 13310), (6655, 13096), (8185, 10648)]