640662372

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1733}}^1$

素因数の和:1919

約数の個数: 120

約数和(自身を含む): 1926931776

約数和(自身を除く): 1286269404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 163, 189, 252, 324, 326, 378, 489, 567, 652, 756, 978, 1134, 1141, 1467, 1733, 1956, 2268, 2282, 2934, 3423, 3466, 4401, 4564, 5199, 5868, 6846, 6932, 8802, 10269, 10398, 12131, 13203, 13692, 15597, 17604, 20538, 20796, 24262, 26406, 30807, 31194, 36393, 41076, 46791, 48524, 52812, 61614, 62388, 72786, 92421, 93582, 109179, 123228, 140373, 145572, 184842, 187164, 218358, 280746, 282479, 327537, 369684, 436716, 561492, 564958, 655074, 847437, 982611, 1129916, 1310148, 1694874, 1965222, 1977353, 2542311, 3389748, 3930444, 3954706, 5084622, 5932059, 7626933, 7909412, 10169244, 11864118, 15253866, 17796177, 22880799, 23728236, 30507732, 35592354, 45761598, 53388531, 71184708, 91523196, 106777062, 160165593, 213554124, 320331186, 640662372]

約数ペア:

[(1, 640662372), (2, 320331186), (3, 213554124), (4, 160165593), (6, 106777062), (7, 91523196), (9, 71184708), (12, 53388531), (14, 45761598), (18, 35592354), (21, 30507732), (27, 23728236), (28, 22880799), (36, 17796177), (42, 15253866), (54, 11864118), (63, 10169244), (81, 7909412), (84, 7626933), (108, 5932059), (126, 5084622), (162, 3954706), (163, 3930444), (189, 3389748), (252, 2542311), (324, 1977353), (326, 1965222), (378, 1694874), (489, 1310148), (567, 1129916), (652, 982611), (756, 847437), (978, 655074), (1134, 564958), (1141, 561492), (1467, 436716), (1733, 369684), (1956, 327537), (2268, 282479), (2282, 280746), (2934, 218358), (3423, 187164), (3466, 184842), (4401, 145572), (4564, 140373), (5199, 123228), (5868, 109179), (6846, 93582), (6932, 92421), (8802, 72786), (10269, 62388), (10398, 61614), (12131, 52812), (13203, 48524), (13692, 46791), (15597, 41076), (17604, 36393), (20538, 31194), (20796, 30807), (24262, 26406)]