287822640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 320

約数和(自身を含む): 1097072640

約数和(自身を除く): 809250000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 71, 76, 80, 84, 95, 105, 112, 114, 120, 127, 133, 140, 142, 152, 168, 190, 210, 213, 228, 240, 254, 266, 280, 284, 285, 304, 336, 355, 380, 381, 399, 420, 426, 456, 497, 508, 532, 560, 568, 570, 635, 665, 710, 760, 762, 798, 840, 852, 889, 912, 994, 1016, 1064, 1065, 1136, 1140, 1270, 1330, 1349, 1420, 1491, 1520, 1524, 1596, 1680, 1704, 1778, 1905, 1988, 1995, 2032, 2128, 2130, 2280, 2413, 2485, 2540, 2660, 2667, 2698, 2840, 2982, 3048, 3192, 3408, 3556, 3810, 3976, 3990, 4047, 4260, 4445, 4560, 4826, 4970, 5080, 5320, 5334, 5396, 5680, 5964, 6096, 6384, 6745, 7112, 7239, 7455, 7620, 7952, 7980, 8094, 8520, 8890, 9017, 9443, 9652, 9940, 10160, 10640, 10668, 10792, 11928, 12065, 13335, 13490, 14224, 14478, 14910, 15240, 15960, 16188, 16891, 17040, 17780, 18034, 18886, 19304, 19880, 20235, 21336, 21584, 23856, 24130, 26670, 26980, 27051, 28329, 28956, 29820, 30480, 31920, 32376, 33782, 35560, 36068, 36195, 37772, 38608, 39760, 40470, 42672, 45085, 47215, 48260, 50673, 53340, 53960, 54102, 56658, 57912, 59640, 63119, 64752, 67564, 71120, 72136, 72390, 75544, 80940, 84455, 90170, 94430, 96520, 101346, 106680, 107920, 108204, 113316, 115824, 119280, 126238, 135128, 135255, 141645, 144272, 144780, 151088, 161880, 168910, 171323, 180340, 188860, 189357, 193040, 202692, 213360, 216408, 226632, 252476, 253365, 270256, 270510, 283290, 289560, 315595, 323760, 337820, 342646, 360680, 377720, 378714, 405384, 432816, 453264, 504952, 506730, 513969, 541020, 566580, 579120, 631190, 675640, 685292, 721360, 755440, 757428, 810768, 856615, 946785, 1009904, 1013460, 1027938, 1082040, 1133160, 1199261, 1262380, 1351280, 1370584, 1514856, 1713230, 1893570, 2026920, 2055876, 2164080, 2266320, 2398522, 2524760, 2569845, 2741168, 3029712, 3426460, 3597783, 3787140, 4053840, 4111752, 4797044, 5049520, 5139690, 5996305, 6852920, 7195566, 7574280, 8223504, 9594088, 10279380, 11992610, 13705840, 14391132, 15148560, 17988915, 19188176, 20558760, 23985220, 28782264, 35977830, 41117520, 47970440, 57564528, 71955660, 95940880, 143911320, 287822640]

約数ペア:

[(1, 287822640), (2, 143911320), (3, 95940880), (4, 71955660), (5, 57564528), (6, 47970440), (7, 41117520), (8, 35977830), (10, 28782264), (12, 23985220), (14, 20558760), (15, 19188176), (16, 17988915), (19, 15148560), (20, 14391132), (21, 13705840), (24, 11992610), (28, 10279380), (30, 9594088), (35, 8223504), (38, 7574280), (40, 7195566), (42, 6852920), (48, 5996305), (56, 5139690), (57, 5049520), (60, 4797044), (70, 4111752), (71, 4053840), (76, 3787140), (80, 3597783), (84, 3426460), (95, 3029712), (105, 2741168), (112, 2569845), (114, 2524760), (120, 2398522), (127, 2266320), (133, 2164080), (140, 2055876), (142, 2026920), (152, 1893570), (168, 1713230), (190, 1514856), (210, 1370584), (213, 1351280), (228, 1262380), (240, 1199261), (254, 1133160), (266, 1082040), (280, 1027938), (284, 1013460), (285, 1009904), (304, 946785), (336, 856615), (355, 810768), (380, 757428), (381, 755440), (399, 721360), (420, 685292), (426, 675640), (456, 631190), (497, 579120), (508, 566580), (532, 541020), (560, 513969), (568, 506730), (570, 504952), (635, 453264), (665, 432816), (710, 405384), (760, 378714), (762, 377720), (798, 360680), (840, 342646), (852, 337820), (889, 323760), (912, 315595), (994, 289560), (1016, 283290), (1064, 270510), (1065, 270256), (1136, 253365), (1140, 252476), (1270, 226632), (1330, 216408), (1349, 213360), (1420, 202692), (1491, 193040), (1520, 189357), (1524, 188860), (1596, 180340), (1680, 171323), (1704, 168910), (1778, 161880), (1905, 151088), (1988, 144780), (1995, 144272), (2032, 141645), (2128, 135255), (2130, 135128), (2280, 126238), (2413, 119280), (2485, 115824), (2540, 113316), (2660, 108204), (2667, 107920), (2698, 106680), (2840, 101346), (2982, 96520), (3048, 94430), (3192, 90170), (3408, 84455), (3556, 80940), (3810, 75544), (3976, 72390), (3990, 72136), (4047, 71120), (4260, 67564), (4445, 64752), (4560, 63119), (4826, 59640), (4970, 57912), (5080, 56658), (5320, 54102), (5334, 53960), (5396, 53340), (5680, 50673), (5964, 48260), (6096, 47215), (6384, 45085), (6745, 42672), (7112, 40470), (7239, 39760), (7455, 38608), (7620, 37772), (7952, 36195), (7980, 36068), (8094, 35560), (8520, 33782), (8890, 32376), (9017, 31920), (9443, 30480), (9652, 29820), (9940, 28956), (10160, 28329), (10640, 27051), (10668, 26980), (10792, 26670), (11928, 24130), (12065, 23856), (13335, 21584), (13490, 21336), (14224, 20235), (14478, 19880), (14910, 19304), (15240, 18886), (15960, 18034), (16188, 17780), (16891, 17040)]