128762760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 256

約数和(自身を含む): 477757440

約数和(自身を除く): 348994680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 71, 84, 85, 102, 105, 119, 120, 127, 136, 140, 142, 168, 170, 204, 210, 213, 238, 254, 255, 280, 284, 340, 355, 357, 381, 408, 420, 426, 476, 497, 508, 510, 568, 595, 635, 680, 710, 714, 762, 840, 852, 889, 952, 994, 1016, 1020, 1065, 1190, 1207, 1270, 1420, 1428, 1491, 1524, 1704, 1778, 1785, 1905, 1988, 2040, 2130, 2159, 2380, 2414, 2485, 2540, 2667, 2840, 2856, 2982, 3048, 3556, 3570, 3621, 3810, 3976, 4260, 4318, 4445, 4760, 4828, 4970, 5080, 5334, 5964, 6035, 6477, 7112, 7140, 7242, 7455, 7620, 8449, 8520, 8636, 8890, 9017, 9656, 9940, 10668, 10795, 11928, 12070, 12954, 13335, 14280, 14484, 14910, 15113, 15240, 16898, 17272, 17780, 18034, 18105, 19880, 21336, 21590, 24140, 25347, 25908, 26670, 27051, 28968, 29820, 30226, 32385, 33796, 35560, 36068, 36210, 42245, 43180, 45085, 45339, 48280, 50694, 51816, 53340, 54102, 59640, 60452, 63119, 64770, 67592, 72136, 72420, 75565, 84490, 86360, 90170, 90678, 101388, 106680, 108204, 120904, 126238, 126735, 129540, 135255, 144840, 151130, 153289, 168980, 180340, 181356, 189357, 202776, 216408, 226695, 252476, 253470, 259080, 270510, 302260, 306578, 315595, 337960, 360680, 362712, 378714, 453390, 459867, 504952, 506940, 541020, 604520, 613156, 631190, 757428, 766445, 906780, 919734, 946785, 1013880, 1073023, 1082040, 1226312, 1262380, 1514856, 1532890, 1813560, 1839468, 1893570, 2146046, 2299335, 2524760, 3065780, 3219069, 3678936, 3787140, 4292092, 4598670, 5365115, 6131560, 6438138, 7574280, 8584184, 9197340, 10730230, 12876276, 16095345, 18394680, 21460460, 25752552, 32190690, 42920920, 64381380, 128762760]

約数ペア:

[(1, 128762760), (2, 64381380), (3, 42920920), (4, 32190690), (5, 25752552), (6, 21460460), (7, 18394680), (8, 16095345), (10, 12876276), (12, 10730230), (14, 9197340), (15, 8584184), (17, 7574280), (20, 6438138), (21, 6131560), (24, 5365115), (28, 4598670), (30, 4292092), (34, 3787140), (35, 3678936), (40, 3219069), (42, 3065780), (51, 2524760), (56, 2299335), (60, 2146046), (68, 1893570), (70, 1839468), (71, 1813560), (84, 1532890), (85, 1514856), (102, 1262380), (105, 1226312), (119, 1082040), (120, 1073023), (127, 1013880), (136, 946785), (140, 919734), (142, 906780), (168, 766445), (170, 757428), (204, 631190), (210, 613156), (213, 604520), (238, 541020), (254, 506940), (255, 504952), (280, 459867), (284, 453390), (340, 378714), (355, 362712), (357, 360680), (381, 337960), (408, 315595), (420, 306578), (426, 302260), (476, 270510), (497, 259080), (508, 253470), (510, 252476), (568, 226695), (595, 216408), (635, 202776), (680, 189357), (710, 181356), (714, 180340), (762, 168980), (840, 153289), (852, 151130), (889, 144840), (952, 135255), (994, 129540), (1016, 126735), (1020, 126238), (1065, 120904), (1190, 108204), (1207, 106680), (1270, 101388), (1420, 90678), (1428, 90170), (1491, 86360), (1524, 84490), (1704, 75565), (1778, 72420), (1785, 72136), (1905, 67592), (1988, 64770), (2040, 63119), (2130, 60452), (2159, 59640), (2380, 54102), (2414, 53340), (2485, 51816), (2540, 50694), (2667, 48280), (2840, 45339), (2856, 45085), (2982, 43180), (3048, 42245), (3556, 36210), (3570, 36068), (3621, 35560), (3810, 33796), (3976, 32385), (4260, 30226), (4318, 29820), (4445, 28968), (4760, 27051), (4828, 26670), (4970, 25908), (5080, 25347), (5334, 24140), (5964, 21590), (6035, 21336), (6477, 19880), (7112, 18105), (7140, 18034), (7242, 17780), (7455, 17272), (7620, 16898), (8449, 15240), (8520, 15113), (8636, 14910), (8890, 14484), (9017, 14280), (9656, 13335), (9940, 12954), (10668, 12070), (10795, 11928)]