320786760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 256

約数和(自身を含む): 1156055040

約数和(自身を除く): 835268280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 97, 105, 120, 124, 127, 140, 155, 168, 186, 194, 210, 217, 248, 254, 280, 291, 310, 372, 381, 388, 420, 434, 465, 485, 508, 582, 620, 635, 651, 679, 744, 762, 776, 840, 868, 889, 930, 970, 1016, 1085, 1164, 1240, 1270, 1302, 1358, 1455, 1524, 1736, 1778, 1860, 1905, 1940, 2037, 2170, 2328, 2540, 2604, 2667, 2716, 2910, 3007, 3048, 3255, 3395, 3556, 3720, 3810, 3880, 3937, 4074, 4340, 4445, 5080, 5208, 5334, 5432, 5820, 6014, 6510, 6790, 7112, 7620, 7874, 8148, 8680, 8890, 9021, 10185, 10668, 11640, 11811, 12028, 12319, 13020, 13335, 13580, 15035, 15240, 15748, 16296, 17780, 18042, 19685, 20370, 21049, 21336, 23622, 24056, 24638, 26040, 26670, 27160, 27559, 30070, 31496, 35560, 36084, 36957, 39370, 40740, 42098, 45105, 47244, 49276, 53340, 55118, 59055, 60140, 61595, 63147, 72168, 73914, 78740, 81480, 82677, 84196, 86233, 90210, 94488, 98552, 105245, 106680, 110236, 118110, 120280, 123190, 126294, 137795, 147828, 157480, 165354, 168392, 172466, 180420, 184785, 210490, 220472, 236220, 246380, 252588, 258699, 275590, 295656, 315735, 330708, 344932, 360840, 369570, 381889, 413385, 420980, 431165, 472440, 492760, 505176, 517398, 551180, 631470, 661416, 689864, 739140, 763778, 826770, 841960, 862330, 1034796, 1102360, 1145667, 1262940, 1293495, 1478280, 1527556, 1653540, 1724660, 1909445, 2069592, 2291334, 2525880, 2586990, 2673223, 3055112, 3307080, 3449320, 3818890, 4582668, 5173980, 5346446, 5728335, 7637780, 8019669, 9165336, 10347960, 10692892, 11456670, 13366115, 15275560, 16039338, 21385784, 22913340, 26732230, 32078676, 40098345, 45826680, 53464460, 64157352, 80196690, 106928920, 160393380, 320786760]

約数ペア:

[(1, 320786760), (2, 160393380), (3, 106928920), (4, 80196690), (5, 64157352), (6, 53464460), (7, 45826680), (8, 40098345), (10, 32078676), (12, 26732230), (14, 22913340), (15, 21385784), (20, 16039338), (21, 15275560), (24, 13366115), (28, 11456670), (30, 10692892), (31, 10347960), (35, 9165336), (40, 8019669), (42, 7637780), (56, 5728335), (60, 5346446), (62, 5173980), (70, 4582668), (84, 3818890), (93, 3449320), (97, 3307080), (105, 3055112), (120, 2673223), (124, 2586990), (127, 2525880), (140, 2291334), (155, 2069592), (168, 1909445), (186, 1724660), (194, 1653540), (210, 1527556), (217, 1478280), (248, 1293495), (254, 1262940), (280, 1145667), (291, 1102360), (310, 1034796), (372, 862330), (381, 841960), (388, 826770), (420, 763778), (434, 739140), (465, 689864), (485, 661416), (508, 631470), (582, 551180), (620, 517398), (635, 505176), (651, 492760), (679, 472440), (744, 431165), (762, 420980), (776, 413385), (840, 381889), (868, 369570), (889, 360840), (930, 344932), (970, 330708), (1016, 315735), (1085, 295656), (1164, 275590), (1240, 258699), (1270, 252588), (1302, 246380), (1358, 236220), (1455, 220472), (1524, 210490), (1736, 184785), (1778, 180420), (1860, 172466), (1905, 168392), (1940, 165354), (2037, 157480), (2170, 147828), (2328, 137795), (2540, 126294), (2604, 123190), (2667, 120280), (2716, 118110), (2910, 110236), (3007, 106680), (3048, 105245), (3255, 98552), (3395, 94488), (3556, 90210), (3720, 86233), (3810, 84196), (3880, 82677), (3937, 81480), (4074, 78740), (4340, 73914), (4445, 72168), (5080, 63147), (5208, 61595), (5334, 60140), (5432, 59055), (5820, 55118), (6014, 53340), (6510, 49276), (6790, 47244), (7112, 45105), (7620, 42098), (7874, 40740), (8148, 39370), (8680, 36957), (8890, 36084), (9021, 35560), (10185, 31496), (10668, 30070), (11640, 27559), (11811, 27160), (12028, 26670), (12319, 26040), (13020, 24638), (13335, 24056), (13580, 23622), (15035, 21336), (15240, 21049), (15748, 20370), (16296, 19685), (17780, 18042)]