215177508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3457}}^1$

素因数の和:3506

約数の個数: 144

約数和(自身を含む): 704878720

約数和(自身を除く): 489701212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 532, 546, 684, 741, 798, 819, 988, 1092, 1197, 1482, 1596, 1638, 1729, 2223, 2394, 2964, 3276, 3457, 3458, 4446, 4788, 5187, 6914, 6916, 8892, 10371, 10374, 13828, 15561, 20742, 20748, 24199, 31113, 31122, 41484, 44941, 48398, 62226, 62244, 65683, 72597, 89882, 96796, 124452, 131366, 134823, 145194, 179764, 197049, 217791, 262732, 269646, 290388, 314587, 394098, 404469, 435582, 459781, 539292, 591147, 629174, 788196, 808938, 853879, 871164, 919562, 943761, 1182294, 1258348, 1379343, 1617876, 1707758, 1839124, 1887522, 2364588, 2561637, 2758686, 2831283, 3415516, 3775044, 4138029, 5123274, 5517372, 5662566, 5977153, 7684911, 8276058, 10246548, 11325132, 11954306, 15369822, 16552116, 17931459, 23908612, 30739644, 35862918, 53794377, 71725836, 107588754, 215177508]

約数ペア:

[(1, 215177508), (2, 107588754), (3, 71725836), (4, 53794377), (6, 35862918), (7, 30739644), (9, 23908612), (12, 17931459), (13, 16552116), (14, 15369822), (18, 11954306), (19, 11325132), (21, 10246548), (26, 8276058), (28, 7684911), (36, 5977153), (38, 5662566), (39, 5517372), (42, 5123274), (52, 4138029), (57, 3775044), (63, 3415516), (76, 2831283), (78, 2758686), (84, 2561637), (91, 2364588), (114, 1887522), (117, 1839124), (126, 1707758), (133, 1617876), (156, 1379343), (171, 1258348), (182, 1182294), (228, 943761), (234, 919562), (247, 871164), (252, 853879), (266, 808938), (273, 788196), (342, 629174), (364, 591147), (399, 539292), (468, 459781), (494, 435582), (532, 404469), (546, 394098), (684, 314587), (741, 290388), (798, 269646), (819, 262732), (988, 217791), (1092, 197049), (1197, 179764), (1482, 145194), (1596, 134823), (1638, 131366), (1729, 124452), (2223, 96796), (2394, 89882), (2964, 72597), (3276, 65683), (3457, 62244), (3458, 62226), (4446, 48398), (4788, 44941), (5187, 41484), (6914, 31122), (6916, 31113), (8892, 24199), (10371, 20748), (10374, 20742), (13828, 15561)]