217678440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 256

約数和(自身を含む): 821145600

約数和(自身を除く): 603467160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 56, 57, 60, 69, 70, 76, 84, 92, 95, 105, 114, 115, 120, 133, 138, 140, 152, 161, 168, 184, 190, 210, 228, 230, 266, 276, 280, 285, 322, 345, 380, 399, 420, 437, 456, 460, 483, 532, 552, 570, 593, 644, 665, 690, 760, 798, 805, 840, 874, 920, 966, 1064, 1140, 1186, 1288, 1311, 1330, 1380, 1596, 1610, 1748, 1779, 1932, 1995, 2185, 2280, 2372, 2415, 2622, 2660, 2760, 2965, 3059, 3192, 3220, 3496, 3558, 3864, 3990, 4151, 4370, 4744, 4830, 5244, 5320, 5930, 6118, 6440, 6555, 7116, 7980, 8302, 8740, 8895, 9177, 9660, 10488, 11267, 11860, 12236, 12453, 13110, 13639, 14232, 15295, 15960, 16604, 17480, 17790, 18354, 19320, 20755, 22534, 23720, 24472, 24906, 26220, 27278, 30590, 33208, 33801, 35580, 36708, 40917, 41510, 45068, 45885, 49812, 52440, 54556, 56335, 61180, 62265, 67602, 68195, 71160, 73416, 78869, 81834, 83020, 90136, 91770, 95473, 99624, 109112, 112670, 122360, 124530, 135204, 136390, 157738, 163668, 166040, 169005, 183540, 190946, 204585, 225340, 236607, 249060, 259141, 270408, 272780, 286419, 315476, 327336, 338010, 367080, 381892, 394345, 409170, 450680, 473214, 477365, 498120, 518282, 545560, 572838, 630952, 676020, 763784, 777423, 788690, 818340, 946428, 954730, 1036564, 1145676, 1183035, 1295705, 1352040, 1432095, 1554846, 1577380, 1636680, 1813987, 1892856, 1909460, 2073128, 2291352, 2366070, 2591410, 2864190, 3109692, 3154760, 3627974, 3818920, 3887115, 4732140, 5182820, 5441961, 5728380, 6219384, 7255948, 7774230, 9069935, 9464280, 10365640, 10883922, 11456760, 14511896, 15548460, 18139870, 21767844, 27209805, 31096920, 36279740, 43535688, 54419610, 72559480, 108839220, 217678440]

約数ペア:

[(1, 217678440), (2, 108839220), (3, 72559480), (4, 54419610), (5, 43535688), (6, 36279740), (7, 31096920), (8, 27209805), (10, 21767844), (12, 18139870), (14, 15548460), (15, 14511896), (19, 11456760), (20, 10883922), (21, 10365640), (23, 9464280), (24, 9069935), (28, 7774230), (30, 7255948), (35, 6219384), (38, 5728380), (40, 5441961), (42, 5182820), (46, 4732140), (56, 3887115), (57, 3818920), (60, 3627974), (69, 3154760), (70, 3109692), (76, 2864190), (84, 2591410), (92, 2366070), (95, 2291352), (105, 2073128), (114, 1909460), (115, 1892856), (120, 1813987), (133, 1636680), (138, 1577380), (140, 1554846), (152, 1432095), (161, 1352040), (168, 1295705), (184, 1183035), (190, 1145676), (210, 1036564), (228, 954730), (230, 946428), (266, 818340), (276, 788690), (280, 777423), (285, 763784), (322, 676020), (345, 630952), (380, 572838), (399, 545560), (420, 518282), (437, 498120), (456, 477365), (460, 473214), (483, 450680), (532, 409170), (552, 394345), (570, 381892), (593, 367080), (644, 338010), (665, 327336), (690, 315476), (760, 286419), (798, 272780), (805, 270408), (840, 259141), (874, 249060), (920, 236607), (966, 225340), (1064, 204585), (1140, 190946), (1186, 183540), (1288, 169005), (1311, 166040), (1330, 163668), (1380, 157738), (1596, 136390), (1610, 135204), (1748, 124530), (1779, 122360), (1932, 112670), (1995, 109112), (2185, 99624), (2280, 95473), (2372, 91770), (2415, 90136), (2622, 83020), (2660, 81834), (2760, 78869), (2965, 73416), (3059, 71160), (3192, 68195), (3220, 67602), (3496, 62265), (3558, 61180), (3864, 56335), (3990, 54556), (4151, 52440), (4370, 49812), (4744, 45885), (4830, 45068), (5244, 41510), (5320, 40917), (5930, 36708), (6118, 35580), (6440, 33801), (6555, 33208), (7116, 30590), (7980, 27278), (8302, 26220), (8740, 24906), (8895, 24472), (9177, 23720), (9660, 22534), (10488, 20755), (11267, 19320), (11860, 18354), (12236, 17790), (12453, 17480), (13110, 16604), (13639, 15960), (14232, 15295)]