270985880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19867}}^1$

素因数の和:19920

約数の個数: 64

約数和(自身を含む): 686638080

約数和(自身を除く): 415652200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 19867, 39734, 79468, 99335, 158936, 198670, 218537, 397340, 437074, 615877, 794680, 874148, 1092685, 1231754, 1748296, 2185370, 2463508, 3079385, 4370740, 4927016, 6158770, 6774647, 8741480, 12317540, 13549294, 24635080, 27098588, 33873235, 54197176, 67746470, 135492940, 270985880]

約数ペア:

[(1, 270985880), (2, 135492940), (4, 67746470), (5, 54197176), (8, 33873235), (10, 27098588), (11, 24635080), (20, 13549294), (22, 12317540), (31, 8741480), (40, 6774647), (44, 6158770), (55, 4927016), (62, 4370740), (88, 3079385), (110, 2463508), (124, 2185370), (155, 1748296), (220, 1231754), (248, 1092685), (310, 874148), (341, 794680), (440, 615877), (620, 437074), (682, 397340), (1240, 218537), (1364, 198670), (1705, 158936), (2728, 99335), (3410, 79468), (6820, 39734), (13640, 19867)]