68901420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{164051}}^1$

素因数の和:164070

約数の個数: 48

約数和(自身を含む): 220485888

約数和(自身を除く): 151584468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 164051, 328102, 492153, 656204, 820255, 984306, 1148357, 1640510, 1968612, 2296714, 2460765, 3281020, 3445071, 4593428, 4921530, 5741785, 6890142, 9843060, 11483570, 13780284, 17225355, 22967140, 34450710, 68901420]

約数ペア:

[(1, 68901420), (2, 34450710), (3, 22967140), (4, 17225355), (5, 13780284), (6, 11483570), (7, 9843060), (10, 6890142), (12, 5741785), (14, 4921530), (15, 4593428), (20, 3445071), (21, 3281020), (28, 2460765), (30, 2296714), (35, 1968612), (42, 1640510), (60, 1148357), (70, 984306), (84, 820255), (105, 656204), (140, 492153), (210, 328102), (420, 164051)]