51556260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122753}}^1$

素因数の和:122772

約数の個数: 48

約数和(自身を含む): 164981376

約数和(自身を除く): 113425116

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, 122753, 245506, 368259, 491012, 613765, 736518, 859271, 1227530, 1473036, 1718542, 1841295, 2455060, 2577813, 3437084, 3682590, 4296355, 5155626, 7365180, 8592710, 10311252, 12889065, 17185420, 25778130, 51556260]

約数ペア:

[(1, 51556260), (2, 25778130), (3, 17185420), (4, 12889065), (5, 10311252), (6, 8592710), (7, 7365180), (10, 5155626), (12, 4296355), (14, 3682590), (15, 3437084), (20, 2577813), (21, 2455060), (28, 1841295), (30, 1718542), (35, 1473036), (42, 1227530), (60, 859271), (70, 736518), (84, 613765), (105, 491012), (140, 368259), (210, 245506), (420, 122753)]