207936540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{727}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 725018112

約数和(自身を除く): 517081572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 252, 315, 420, 454, 630, 681, 727, 908, 1135, 1260, 1362, 1454, 1589, 2043, 2181, 2270, 2724, 2908, 3178, 3405, 3635, 4086, 4362, 4540, 4767, 5089, 6356, 6543, 6810, 7270, 7945, 8172, 8724, 9534, 10178, 10215, 10905, 13086, 13620, 14301, 14540, 15267, 15890, 19068, 20356, 20430, 21810, 23835, 25445, 26172, 28602, 30534, 31780, 32715, 40860, 43620, 45801, 47670, 50890, 57204, 61068, 65430, 71505, 76335, 91602, 95340, 101780, 130860, 143010, 152670, 165029, 183204, 229005, 286020, 305340, 330058, 458010, 495087, 660116, 825145, 916020, 990174, 1155203, 1485261, 1650290, 1980348, 2310406, 2475435, 2970522, 3300580, 3465609, 4620812, 4950870, 5776015, 5941044, 6931218, 7426305, 9901740, 10396827, 11552030, 13862436, 14852610, 17328045, 20793654, 23104060, 29705220, 34656090, 41587308, 51984135, 69312180, 103968270, 207936540]

約数ペア:

[(1, 207936540), (2, 103968270), (3, 69312180), (4, 51984135), (5, 41587308), (6, 34656090), (7, 29705220), (9, 23104060), (10, 20793654), (12, 17328045), (14, 14852610), (15, 13862436), (18, 11552030), (20, 10396827), (21, 9901740), (28, 7426305), (30, 6931218), (35, 5941044), (36, 5776015), (42, 4950870), (45, 4620812), (60, 3465609), (63, 3300580), (70, 2970522), (84, 2475435), (90, 2310406), (105, 1980348), (126, 1650290), (140, 1485261), (180, 1155203), (210, 990174), (227, 916020), (252, 825145), (315, 660116), (420, 495087), (454, 458010), (630, 330058), (681, 305340), (727, 286020), (908, 229005), (1135, 183204), (1260, 165029), (1362, 152670), (1454, 143010), (1589, 130860), (2043, 101780), (2181, 95340), (2270, 91602), (2724, 76335), (2908, 71505), (3178, 65430), (3405, 61068), (3635, 57204), (4086, 50890), (4362, 47670), (4540, 45801), (4767, 43620), (5089, 40860), (6356, 32715), (6543, 31780), (6810, 30534), (7270, 28602), (7945, 26172), (8172, 25445), (8724, 23835), (9534, 21810), (10178, 20430), (10215, 20356), (10905, 19068), (13086, 15890), (13620, 15267), (14301, 14540)]