217206480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 240

約数和(自身を含む): 748344960

約数和(自身を除く): 531138480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 109, 114, 115, 120, 138, 152, 184, 190, 218, 228, 230, 240, 276, 285, 304, 327, 345, 361, 368, 380, 436, 437, 456, 460, 545, 552, 570, 654, 690, 722, 760, 872, 874, 912, 920, 1083, 1090, 1104, 1140, 1308, 1311, 1380, 1444, 1520, 1635, 1744, 1748, 1805, 1840, 2071, 2166, 2180, 2185, 2280, 2507, 2616, 2622, 2760, 2888, 3270, 3496, 3610, 4142, 4332, 4360, 4370, 4560, 5014, 5232, 5244, 5415, 5520, 5776, 6213, 6540, 6555, 6992, 7220, 7521, 8284, 8303, 8664, 8720, 8740, 10028, 10355, 10488, 10830, 12426, 12535, 13080, 13110, 14440, 15042, 16568, 16606, 17328, 17480, 20056, 20710, 20976, 21660, 24852, 24909, 25070, 26160, 26220, 28880, 30084, 31065, 33136, 33212, 34960, 37605, 39349, 40112, 41420, 41515, 43320, 47633, 49704, 49818, 50140, 52440, 60168, 62130, 66424, 75210, 78698, 82840, 83030, 86640, 95266, 99408, 99636, 100280, 104880, 118047, 120336, 124260, 124545, 132848, 142899, 150420, 157396, 165680, 166060, 190532, 196745, 199272, 200560, 236094, 238165, 248520, 249090, 285798, 300840, 314792, 332120, 381064, 393490, 398544, 472188, 476330, 497040, 498180, 571596, 590235, 601680, 629584, 664240, 714495, 762128, 786980, 905027, 944376, 952660, 996360, 1143192, 1180470, 1428990, 1573960, 1810054, 1888752, 1905320, 1992720, 2286384, 2360940, 2715081, 2857980, 3147920, 3620108, 3810640, 4525135, 4721880, 5430162, 5715960, 7240216, 9050270, 9443760, 10860324, 11431920, 13575405, 14480432, 18100540, 21720648, 27150810, 36201080, 43441296, 54301620, 72402160, 108603240, 217206480]

約数ペア:

[(1, 217206480), (2, 108603240), (3, 72402160), (4, 54301620), (5, 43441296), (6, 36201080), (8, 27150810), (10, 21720648), (12, 18100540), (15, 14480432), (16, 13575405), (19, 11431920), (20, 10860324), (23, 9443760), (24, 9050270), (30, 7240216), (38, 5715960), (40, 5430162), (46, 4721880), (48, 4525135), (57, 3810640), (60, 3620108), (69, 3147920), (76, 2857980), (80, 2715081), (92, 2360940), (95, 2286384), (109, 1992720), (114, 1905320), (115, 1888752), (120, 1810054), (138, 1573960), (152, 1428990), (184, 1180470), (190, 1143192), (218, 996360), (228, 952660), (230, 944376), (240, 905027), (276, 786980), (285, 762128), (304, 714495), (327, 664240), (345, 629584), (361, 601680), (368, 590235), (380, 571596), (436, 498180), (437, 497040), (456, 476330), (460, 472188), (545, 398544), (552, 393490), (570, 381064), (654, 332120), (690, 314792), (722, 300840), (760, 285798), (872, 249090), (874, 248520), (912, 238165), (920, 236094), (1083, 200560), (1090, 199272), (1104, 196745), (1140, 190532), (1308, 166060), (1311, 165680), (1380, 157396), (1444, 150420), (1520, 142899), (1635, 132848), (1744, 124545), (1748, 124260), (1805, 120336), (1840, 118047), (2071, 104880), (2166, 100280), (2180, 99636), (2185, 99408), (2280, 95266), (2507, 86640), (2616, 83030), (2622, 82840), (2760, 78698), (2888, 75210), (3270, 66424), (3496, 62130), (3610, 60168), (4142, 52440), (4332, 50140), (4360, 49818), (4370, 49704), (4560, 47633), (5014, 43320), (5232, 41515), (5244, 41420), (5415, 40112), (5520, 39349), (5776, 37605), (6213, 34960), (6540, 33212), (6555, 33136), (6992, 31065), (7220, 30084), (7521, 28880), (8284, 26220), (8303, 26160), (8664, 25070), (8720, 24909), (8740, 24852), (10028, 21660), (10355, 20976), (10488, 20710), (10830, 20056), (12426, 17480), (12535, 17328), (13080, 16606), (13110, 16568), (14440, 15042)]