67779140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1823}}^1$

素因数の和:1869

約数の個数: 72

約数和(自身を含む): 168231168

約数和(自身を除く): 100452028

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1823, 1859, 2860, 3380, 3646, 3718, 7292, 7436, 9115, 9295, 18230, 18590, 20053, 23699, 36460, 37180, 40106, 47398, 80212, 94796, 100265, 118495, 200530, 236990, 260689, 308087, 401060, 473980, 521378, 616174, 1042756, 1232348, 1303445, 1540435, 2606890, 3080870, 3388957, 5213780, 6161740, 6777914, 13555828, 16944785, 33889570, 67779140]

約数ペア:

[(1, 67779140), (2, 33889570), (4, 16944785), (5, 13555828), (10, 6777914), (11, 6161740), (13, 5213780), (20, 3388957), (22, 3080870), (26, 2606890), (44, 1540435), (52, 1303445), (55, 1232348), (65, 1042756), (110, 616174), (130, 521378), (143, 473980), (169, 401060), (220, 308087), (260, 260689), (286, 236990), (338, 200530), (572, 118495), (676, 100265), (715, 94796), (845, 80212), (1430, 47398), (1690, 40106), (1823, 37180), (1859, 36460), (2860, 23699), (3380, 20053), (3646, 18590), (3718, 18230), (7292, 9295), (7436, 9115)]