396663540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72649}}^1$

素因数の和:72681

約数の個数: 96

約数和(自身を含む): 1366982400

約数和(自身を除く): 970318860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 72649, 145298, 217947, 290596, 363245, 435894, 508543, 726490, 871788, 944437, 1017086, 1089735, 1452980, 1525629, 1888874, 2034172, 2179470, 2542715, 2833311, 3051258, 3777748, 4358940, 4722185, 5085430, 5666622, 6102516, 6611059, 7628145, 9444370, 10170860, 11333244, 13222118, 14166555, 15256290, 18888740, 19833177, 26444236, 28333110, 30512580, 33055295, 39666354, 56666220, 66110590, 79332708, 99165885, 132221180, 198331770, 396663540]

約数ペア:

[(1, 396663540), (2, 198331770), (3, 132221180), (4, 99165885), (5, 79332708), (6, 66110590), (7, 56666220), (10, 39666354), (12, 33055295), (13, 30512580), (14, 28333110), (15, 26444236), (20, 19833177), (21, 18888740), (26, 15256290), (28, 14166555), (30, 13222118), (35, 11333244), (39, 10170860), (42, 9444370), (52, 7628145), (60, 6611059), (65, 6102516), (70, 5666622), (78, 5085430), (84, 4722185), (91, 4358940), (105, 3777748), (130, 3051258), (140, 2833311), (156, 2542715), (182, 2179470), (195, 2034172), (210, 1888874), (260, 1525629), (273, 1452980), (364, 1089735), (390, 1017086), (420, 944437), (455, 871788), (546, 726490), (780, 508543), (910, 435894), (1092, 363245), (1365, 290596), (1820, 217947), (2730, 145298), (5460, 72649)]