68376840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81401}}^1$

素因数の和:81422

約数の個数: 64

約数和(自身を含む): 234437760

約数和(自身を除く): 166060920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81401, 162802, 244203, 325604, 407005, 488406, 569807, 651208, 814010, 976812, 1139614, 1221015, 1628020, 1709421, 1953624, 2279228, 2442030, 2849035, 3256040, 3418842, 4558456, 4884060, 5698070, 6837684, 8547105, 9768120, 11396140, 13675368, 17094210, 22792280, 34188420, 68376840]

約数ペア:

[(1, 68376840), (2, 34188420), (3, 22792280), (4, 17094210), (5, 13675368), (6, 11396140), (7, 9768120), (8, 8547105), (10, 6837684), (12, 5698070), (14, 4884060), (15, 4558456), (20, 3418842), (21, 3256040), (24, 2849035), (28, 2442030), (30, 2279228), (35, 1953624), (40, 1709421), (42, 1628020), (56, 1221015), (60, 1139614), (70, 976812), (84, 814010), (105, 651208), (120, 569807), (140, 488406), (168, 407005), (210, 325604), (280, 244203), (420, 162802), (840, 81401)]