128541560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11197}}^1$

素因数の和:11256

約数の個数: 64

約数和(自身を含む): 338627520

約数和(自身を除く): 210085960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11197, 11480, 22394, 44788, 55985, 78379, 89576, 111970, 156758, 223940, 313516, 391895, 447880, 459077, 627032, 783790, 918154, 1567580, 1836308, 2295385, 3135160, 3213539, 3672616, 4590770, 6427078, 9181540, 12854156, 16067695, 18363080, 25708312, 32135390, 64270780, 128541560]

約数ペア:

[(1, 128541560), (2, 64270780), (4, 32135390), (5, 25708312), (7, 18363080), (8, 16067695), (10, 12854156), (14, 9181540), (20, 6427078), (28, 4590770), (35, 3672616), (40, 3213539), (41, 3135160), (56, 2295385), (70, 1836308), (82, 1567580), (140, 918154), (164, 783790), (205, 627032), (280, 459077), (287, 447880), (328, 391895), (410, 313516), (574, 223940), (820, 156758), (1148, 111970), (1435, 89576), (1640, 78379), (2296, 55985), (2870, 44788), (5740, 22394), (11197, 11480)]