67828880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121123}}^1$

素因数の和:121143

約数の個数: 40

約数和(自身を含む): 180232512

約数和(自身を除く): 112403632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121123, 242246, 484492, 605615, 847861, 968984, 1211230, 1695722, 1937968, 2422460, 3391444, 4239305, 4844920, 6782888, 8478610, 9689840, 13565776, 16957220, 33914440, 67828880]

約数ペア:

[(1, 67828880), (2, 33914440), (4, 16957220), (5, 13565776), (7, 9689840), (8, 8478610), (10, 6782888), (14, 4844920), (16, 4239305), (20, 3391444), (28, 2422460), (35, 1937968), (40, 1695722), (56, 1211230), (70, 968984), (80, 847861), (112, 605615), (140, 484492), (280, 242246), (560, 121123)]