651268020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{834959}}^1$

素因数の和:834984

約数の個数: 48

約数和(自身を含む): 1963825920

約数和(自身を除く): 1312557900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 834959, 1669918, 2504877, 3339836, 4174795, 5009754, 8349590, 10019508, 10854467, 12524385, 16699180, 21708934, 25048770, 32563401, 43417868, 50097540, 54272335, 65126802, 108544670, 130253604, 162817005, 217089340, 325634010, 651268020]

約数ペア:

[(1, 651268020), (2, 325634010), (3, 217089340), (4, 162817005), (5, 130253604), (6, 108544670), (10, 65126802), (12, 54272335), (13, 50097540), (15, 43417868), (20, 32563401), (26, 25048770), (30, 21708934), (39, 16699180), (52, 12524385), (60, 10854467), (65, 10019508), (78, 8349590), (130, 5009754), (156, 4174795), (195, 3339836), (260, 2504877), (390, 1669918), (780, 834959)]