261438744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 775272960

約数和(自身を除く): 513834216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 137, 148, 168, 222, 259, 274, 296, 307, 411, 444, 518, 548, 614, 777, 822, 888, 921, 959, 1036, 1096, 1228, 1554, 1644, 1842, 1918, 2072, 2149, 2456, 2877, 3108, 3288, 3684, 3836, 4298, 5069, 5754, 6216, 6447, 7368, 7672, 8596, 10138, 11359, 11508, 12894, 15207, 17192, 20276, 22718, 23016, 25788, 30414, 34077, 35483, 40552, 42059, 45436, 51576, 60828, 68154, 70966, 79513, 84118, 90872, 106449, 121656, 126177, 136308, 141932, 159026, 168236, 212898, 238539, 252354, 272616, 283864, 294413, 318052, 336472, 425796, 477078, 504708, 588826, 636104, 851592, 883239, 954156, 1009416, 1177652, 1556183, 1766478, 1908312, 2355304, 3112366, 3532956, 4668549, 6224732, 7065912, 9337098, 10893281, 12449464, 18674196, 21786562, 32679843, 37348392, 43573124, 65359686, 87146248, 130719372, 261438744]

約数ペア:

[(1, 261438744), (2, 130719372), (3, 87146248), (4, 65359686), (6, 43573124), (7, 37348392), (8, 32679843), (12, 21786562), (14, 18674196), (21, 12449464), (24, 10893281), (28, 9337098), (37, 7065912), (42, 6224732), (56, 4668549), (74, 3532956), (84, 3112366), (111, 2355304), (137, 1908312), (148, 1766478), (168, 1556183), (222, 1177652), (259, 1009416), (274, 954156), (296, 883239), (307, 851592), (411, 636104), (444, 588826), (518, 504708), (548, 477078), (614, 425796), (777, 336472), (822, 318052), (888, 294413), (921, 283864), (959, 272616), (1036, 252354), (1096, 238539), (1228, 212898), (1554, 168236), (1644, 159026), (1842, 141932), (1918, 136308), (2072, 126177), (2149, 121656), (2456, 106449), (2877, 90872), (3108, 84118), (3288, 79513), (3684, 70966), (3836, 68154), (4298, 60828), (5069, 51576), (5754, 45436), (6216, 42059), (6447, 40552), (7368, 35483), (7672, 34077), (8596, 30414), (10138, 25788), (11359, 23016), (11508, 22718), (12894, 20276), (15207, 17192)]