280296720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 320

約数和(自身を含む): 1079930880

約数和(自身を除く): 799634160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 47, 48, 54, 55, 60, 66, 72, 80, 88, 90, 94, 99, 108, 110, 120, 132, 135, 141, 144, 165, 176, 180, 188, 198, 216, 220, 235, 240, 251, 264, 270, 282, 297, 330, 360, 376, 396, 423, 432, 440, 470, 495, 502, 517, 528, 540, 564, 594, 660, 705, 720, 752, 753, 792, 846, 880, 940, 990, 1004, 1034, 1080, 1128, 1188, 1255, 1269, 1320, 1410, 1485, 1506, 1551, 1584, 1692, 1880, 1980, 2008, 2068, 2115, 2160, 2256, 2259, 2376, 2510, 2538, 2585, 2640, 2761, 2820, 2970, 3012, 3102, 3384, 3760, 3765, 3960, 4016, 4136, 4230, 4518, 4653, 4752, 5020, 5076, 5170, 5522, 5640, 5940, 6024, 6204, 6345, 6768, 6777, 7530, 7755, 7920, 8272, 8283, 8460, 9036, 9306, 10040, 10152, 10340, 11044, 11280, 11295, 11797, 11880, 12048, 12408, 12690, 13554, 13805, 13959, 15060, 15510, 16566, 16920, 18072, 18612, 20080, 20304, 20680, 22088, 22590, 23265, 23594, 23760, 24816, 24849, 25380, 27108, 27610, 27918, 30120, 31020, 33132, 33840, 33885, 35391, 36144, 37224, 41360, 41415, 44176, 45180, 46530, 47188, 49698, 50760, 54216, 55220, 55836, 58985, 60240, 62040, 66264, 67770, 69795, 70782, 74448, 74547, 82830, 90360, 93060, 94376, 99396, 101520, 106173, 108432, 110440, 111672, 117970, 124080, 124245, 129767, 132528, 135540, 139590, 141564, 149094, 165660, 176955, 180720, 186120, 188752, 198792, 212346, 220880, 223344, 235940, 248490, 259534, 271080, 279180, 283128, 298188, 318519, 331320, 353910, 372240, 372735, 389301, 397584, 424692, 471880, 496980, 519068, 530865, 542160, 558360, 566256, 596376, 637038, 648835, 662640, 707820, 745470, 778602, 849384, 943760, 993960, 1038136, 1061730, 1116720, 1167903, 1192752, 1274076, 1297670, 1415640, 1490940, 1557204, 1592595, 1698768, 1946505, 1987920, 2076272, 2123460, 2335806, 2548152, 2595340, 2831280, 2981880, 3114408, 3185190, 3503709, 3893010, 4246920, 4671612, 5096304, 5190680, 5839515, 5963760, 6228816, 6370380, 7007418, 7786020, 8493840, 9343224, 10381360, 11679030, 12740760, 14014836, 15572040, 17518545, 18686448, 23358060, 25481520, 28029672, 31144080, 35037090, 46716120, 56059344, 70074180, 93432240, 140148360, 280296720]

約数ペア:

[(1, 280296720), (2, 140148360), (3, 93432240), (4, 70074180), (5, 56059344), (6, 46716120), (8, 35037090), (9, 31144080), (10, 28029672), (11, 25481520), (12, 23358060), (15, 18686448), (16, 17518545), (18, 15572040), (20, 14014836), (22, 12740760), (24, 11679030), (27, 10381360), (30, 9343224), (33, 8493840), (36, 7786020), (40, 7007418), (44, 6370380), (45, 6228816), (47, 5963760), (48, 5839515), (54, 5190680), (55, 5096304), (60, 4671612), (66, 4246920), (72, 3893010), (80, 3503709), (88, 3185190), (90, 3114408), (94, 2981880), (99, 2831280), (108, 2595340), (110, 2548152), (120, 2335806), (132, 2123460), (135, 2076272), (141, 1987920), (144, 1946505), (165, 1698768), (176, 1592595), (180, 1557204), (188, 1490940), (198, 1415640), (216, 1297670), (220, 1274076), (235, 1192752), (240, 1167903), (251, 1116720), (264, 1061730), (270, 1038136), (282, 993960), (297, 943760), (330, 849384), (360, 778602), (376, 745470), (396, 707820), (423, 662640), (432, 648835), (440, 637038), (470, 596376), (495, 566256), (502, 558360), (517, 542160), (528, 530865), (540, 519068), (564, 496980), (594, 471880), (660, 424692), (705, 397584), (720, 389301), (752, 372735), (753, 372240), (792, 353910), (846, 331320), (880, 318519), (940, 298188), (990, 283128), (1004, 279180), (1034, 271080), (1080, 259534), (1128, 248490), (1188, 235940), (1255, 223344), (1269, 220880), (1320, 212346), (1410, 198792), (1485, 188752), (1506, 186120), (1551, 180720), (1584, 176955), (1692, 165660), (1880, 149094), (1980, 141564), (2008, 139590), (2068, 135540), (2115, 132528), (2160, 129767), (2256, 124245), (2259, 124080), (2376, 117970), (2510, 111672), (2538, 110440), (2585, 108432), (2640, 106173), (2761, 101520), (2820, 99396), (2970, 94376), (3012, 93060), (3102, 90360), (3384, 82830), (3760, 74547), (3765, 74448), (3960, 70782), (4016, 69795), (4136, 67770), (4230, 66264), (4518, 62040), (4653, 60240), (4752, 58985), (5020, 55836), (5076, 55220), (5170, 54216), (5522, 50760), (5640, 49698), (5940, 47188), (6024, 46530), (6204, 45180), (6345, 44176), (6768, 41415), (6777, 41360), (7530, 37224), (7755, 36144), (7920, 35391), (8272, 33885), (8283, 33840), (8460, 33132), (9036, 31020), (9306, 30120), (10040, 27918), (10152, 27610), (10340, 27108), (11044, 25380), (11280, 24849), (11295, 24816), (11797, 23760), (11880, 23594), (12048, 23265), (12408, 22590), (12690, 22088), (13554, 20680), (13805, 20304), (13959, 20080), (15060, 18612), (15510, 18072), (16566, 16920)]