55398840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{65951}}^1$

素因数の和:65972

約数の個数: 64

約数和(自身を含む): 189941760

約数和(自身を除く): 134542920

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, 65951, 131902, 197853, 263804, 329755, 395706, 461657, 527608, 659510, 791412, 923314, 989265, 1319020, 1384971, 1582824, 1846628, 1978530, 2308285, 2638040, 2769942, 3693256, 3957060, 4616570, 5539884, 6924855, 7914120, 9233140, 11079768, 13849710, 18466280, 27699420, 55398840]

約数ペア:

[(1, 55398840), (2, 27699420), (3, 18466280), (4, 13849710), (5, 11079768), (6, 9233140), (7, 7914120), (8, 6924855), (10, 5539884), (12, 4616570), (14, 3957060), (15, 3693256), (20, 2769942), (21, 2638040), (24, 2308285), (28, 1978530), (30, 1846628), (35, 1582824), (40, 1384971), (42, 1319020), (56, 989265), (60, 923314), (70, 791412), (84, 659510), (105, 527608), (120, 461657), (140, 395706), (168, 329755), (210, 263804), (280, 197853), (420, 131902), (840, 65951)]