77500020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7643}}^1$

素因数の和:7681

約数の個数: 72

約数和(自身を含む): 235007136

約数和(自身を除く): 157507116

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, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 7643, 10140, 15286, 22929, 30572, 38215, 45858, 76430, 91716, 99359, 114645, 152860, 198718, 229290, 298077, 397436, 458580, 496795, 596154, 993590, 1192308, 1291667, 1490385, 1987180, 2583334, 2980770, 3875001, 5166668, 5961540, 6458335, 7750002, 12916670, 15500004, 19375005, 25833340, 38750010, 77500020]

約数ペア:

[(1, 77500020), (2, 38750010), (3, 25833340), (4, 19375005), (5, 15500004), (6, 12916670), (10, 7750002), (12, 6458335), (13, 5961540), (15, 5166668), (20, 3875001), (26, 2980770), (30, 2583334), (39, 1987180), (52, 1490385), (60, 1291667), (65, 1192308), (78, 993590), (130, 596154), (156, 496795), (169, 458580), (195, 397436), (260, 298077), (338, 229290), (390, 198718), (507, 152860), (676, 114645), (780, 99359), (845, 91716), (1014, 76430), (1690, 45858), (2028, 38215), (2535, 30572), (3380, 22929), (5070, 15286), (7643, 10140)]