6520020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 19799136

約数和(自身を除く): 13279116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 643, 676, 780, 845, 1014, 1286, 1690, 1929, 2028, 2535, 2572, 3215, 3380, 3858, 5070, 6430, 7716, 8359, 9645, 10140, 12860, 16718, 19290, 25077, 33436, 38580, 41795, 50154, 83590, 100308, 108667, 125385, 167180, 217334, 250770, 326001, 434668, 501540, 543335, 652002, 1086670, 1304004, 1630005, 2173340, 3260010, 6520020]

約数ペア:

[(1, 6520020), (2, 3260010), (3, 2173340), (4, 1630005), (5, 1304004), (6, 1086670), (10, 652002), (12, 543335), (13, 501540), (15, 434668), (20, 326001), (26, 250770), (30, 217334), (39, 167180), (52, 125385), (60, 108667), (65, 100308), (78, 83590), (130, 50154), (156, 41795), (169, 38580), (195, 33436), (260, 25077), (338, 19290), (390, 16718), (507, 12860), (643, 10140), (676, 9645), (780, 8359), (845, 7716), (1014, 6430), (1286, 5070), (1690, 3858), (1929, 3380), (2028, 3215), (2535, 2572)]