8487780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2887}}^1$

素因数の和:2913

約数の個数: 72

約数和(自身を含む): 27655488

約数和(自身を除く): 19167708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2887, 2940, 5774, 8661, 11548, 14435, 17322, 20209, 28870, 34644, 40418, 43305, 57740, 60627, 80836, 86610, 101045, 121254, 141463, 173220, 202090, 242508, 282926, 303135, 404180, 424389, 565852, 606270, 707315, 848778, 1212540, 1414630, 1697556, 2121945, 2829260, 4243890, 8487780]

約数ペア:

[(1, 8487780), (2, 4243890), (3, 2829260), (4, 2121945), (5, 1697556), (6, 1414630), (7, 1212540), (10, 848778), (12, 707315), (14, 606270), (15, 565852), (20, 424389), (21, 404180), (28, 303135), (30, 282926), (35, 242508), (42, 202090), (49, 173220), (60, 141463), (70, 121254), (84, 101045), (98, 86610), (105, 80836), (140, 60627), (147, 57740), (196, 43305), (210, 40418), (245, 34644), (294, 28870), (420, 20209), (490, 17322), (588, 14435), (735, 11548), (980, 8661), (1470, 5774), (2887, 2940)]