1995240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1306

約数の個数: 64

約数和(自身を含む): 6451200

約数和(自身を除く): 4455960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1279, 1560, 2558, 3837, 5116, 6395, 7674, 10232, 12790, 15348, 16627, 19185, 25580, 30696, 33254, 38370, 49881, 51160, 66508, 76740, 83135, 99762, 133016, 153480, 166270, 199524, 249405, 332540, 399048, 498810, 665080, 997620, 1995240]

約数ペア:

[(1, 1995240), (2, 997620), (3, 665080), (4, 498810), (5, 399048), (6, 332540), (8, 249405), (10, 199524), (12, 166270), (13, 153480), (15, 133016), (20, 99762), (24, 83135), (26, 76740), (30, 66508), (39, 51160), (40, 49881), (52, 38370), (60, 33254), (65, 30696), (78, 25580), (104, 19185), (120, 16627), (130, 15348), (156, 12790), (195, 10232), (260, 7674), (312, 6395), (390, 5116), (520, 3837), (780, 2558), (1279, 1560)]