1485880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{307}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 3686760

約数和(自身を除く): 2200880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 307, 440, 484, 605, 614, 968, 1210, 1228, 1535, 2420, 2456, 3070, 3377, 4840, 6140, 6754, 12280, 13508, 16885, 27016, 33770, 37147, 67540, 74294, 135080, 148588, 185735, 297176, 371470, 742940, 1485880]

約数ペア:

[(1, 1485880), (2, 742940), (4, 371470), (5, 297176), (8, 185735), (10, 148588), (11, 135080), (20, 74294), (22, 67540), (40, 37147), (44, 33770), (55, 27016), (88, 16885), (110, 13508), (121, 12280), (220, 6754), (242, 6140), (307, 4840), (440, 3377), (484, 3070), (605, 2456), (614, 2420), (968, 1535), (1210, 1228)]