15840708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 40951008

約数和(自身を除く): 25110300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 107, 146, 156, 169, 214, 219, 292, 321, 338, 428, 438, 507, 642, 676, 876, 949, 1014, 1284, 1391, 1898, 2028, 2782, 2847, 3796, 4173, 5564, 5694, 7811, 8346, 11388, 12337, 15622, 16692, 18083, 23433, 24674, 31244, 36166, 37011, 46866, 49348, 54249, 72332, 74022, 93732, 101543, 108498, 148044, 203086, 216996, 304629, 406172, 609258, 1218516, 1320059, 2640118, 3960177, 5280236, 7920354, 15840708]

約数ペア:

[(1, 15840708), (2, 7920354), (3, 5280236), (4, 3960177), (6, 2640118), (12, 1320059), (13, 1218516), (26, 609258), (39, 406172), (52, 304629), (73, 216996), (78, 203086), (107, 148044), (146, 108498), (156, 101543), (169, 93732), (214, 74022), (219, 72332), (292, 54249), (321, 49348), (338, 46866), (428, 37011), (438, 36166), (507, 31244), (642, 24674), (676, 23433), (876, 18083), (949, 16692), (1014, 15622), (1284, 12337), (1391, 11388), (1898, 8346), (2028, 7811), (2782, 5694), (2847, 5564), (3796, 4173)]