206991120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{123209}}^1$

素因数の和:123232

約数の個数: 80

約数和(自身を含む): 733345920

約数和(自身を除く): 526354800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 123209, 246418, 369627, 492836, 616045, 739254, 862463, 985672, 1232090, 1478508, 1724926, 1848135, 1971344, 2464180, 2587389, 2957016, 3449852, 3696270, 4312315, 4928360, 5174778, 5914032, 6899704, 7392540, 8624630, 9856720, 10349556, 12936945, 13799408, 14785080, 17249260, 20699112, 25873890, 29570160, 34498520, 41398224, 51747780, 68997040, 103495560, 206991120]

約数ペア:

[(1, 206991120), (2, 103495560), (3, 68997040), (4, 51747780), (5, 41398224), (6, 34498520), (7, 29570160), (8, 25873890), (10, 20699112), (12, 17249260), (14, 14785080), (15, 13799408), (16, 12936945), (20, 10349556), (21, 9856720), (24, 8624630), (28, 7392540), (30, 6899704), (35, 5914032), (40, 5174778), (42, 4928360), (48, 4312315), (56, 3696270), (60, 3449852), (70, 2957016), (80, 2587389), (84, 2464180), (105, 1971344), (112, 1848135), (120, 1724926), (140, 1478508), (168, 1232090), (210, 985672), (240, 862463), (280, 739254), (336, 616045), (420, 492836), (560, 369627), (840, 246418), (1680, 123209)]