651892020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{835759}}^1$

素因数の和:835784

約数の個数: 48

約数和(自身を含む): 1965707520

約数和(自身を除く): 1313815500

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, 835759, 1671518, 2507277, 3343036, 4178795, 5014554, 8357590, 10029108, 10864867, 12536385, 16715180, 21729734, 25072770, 32594601, 43459468, 50145540, 54324335, 65189202, 108648670, 130378404, 162973005, 217297340, 325946010, 651892020]

約数ペア:

[(1, 651892020), (2, 325946010), (3, 217297340), (4, 162973005), (5, 130378404), (6, 108648670), (10, 65189202), (12, 54324335), (13, 50145540), (15, 43459468), (20, 32594601), (26, 25072770), (30, 21729734), (39, 16715180), (52, 12536385), (60, 10864867), (65, 10029108), (78, 8357590), (130, 5014554), (156, 4178795), (195, 3343036), (260, 2507277), (390, 1671518), (780, 835759)]