1307825680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 240

約数和(自身を含む): 3712905216

約数和(自身を除く): 2405079536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 71, 74, 80, 98, 112, 127, 140, 142, 148, 185, 196, 245, 254, 259, 280, 284, 296, 355, 370, 392, 490, 497, 508, 518, 560, 568, 592, 635, 710, 740, 784, 889, 980, 994, 1016, 1036, 1136, 1270, 1295, 1420, 1480, 1778, 1813, 1960, 1988, 2032, 2072, 2485, 2540, 2590, 2627, 2840, 2960, 3479, 3556, 3626, 3920, 3976, 4144, 4445, 4699, 4970, 5080, 5180, 5254, 5680, 6223, 6958, 7112, 7252, 7952, 8890, 9017, 9065, 9398, 9940, 10160, 10360, 10508, 12446, 13135, 13916, 14224, 14504, 17395, 17780, 18034, 18130, 18389, 18796, 19880, 20720, 21016, 23495, 24892, 26270, 27832, 29008, 31115, 32893, 34790, 35560, 36068, 36260, 36778, 37592, 39760, 42032, 45085, 46990, 49784, 52540, 55664, 62230, 63119, 65786, 69580, 71120, 72136, 72520, 73556, 75184, 90170, 91945, 93980, 99568, 105080, 124460, 126238, 128723, 131572, 139160, 144272, 145040, 147112, 164465, 180340, 183890, 187960, 210160, 230251, 248920, 252476, 257446, 263144, 278320, 294224, 315595, 328930, 333629, 360680, 367780, 375920, 441833, 460502, 497840, 504952, 514892, 526288, 631190, 643615, 657860, 667258, 721360, 735560, 883666, 921004, 1009904, 1029784, 1151255, 1262380, 1287230, 1315720, 1334516, 1471120, 1668145, 1767332, 1842008, 2059568, 2209165, 2302510, 2335403, 2524760, 2574460, 2631440, 2669032, 3336290, 3534664, 3684016, 4418330, 4605020, 4670806, 5049520, 5148920, 5338064, 6672580, 7069328, 8836660, 9210040, 9341612, 10297840, 11677015, 13345160, 16347821, 17673320, 18420080, 18683224, 23354030, 26690320, 32695642, 35346640, 37366448, 46708060, 65391284, 81739105, 93416120, 130782568, 163478210, 186832240, 261565136, 326956420, 653912840, 1307825680]

約数ペア:

[(1, 1307825680), (2, 653912840), (4, 326956420), (5, 261565136), (7, 186832240), (8, 163478210), (10, 130782568), (14, 93416120), (16, 81739105), (20, 65391284), (28, 46708060), (35, 37366448), (37, 35346640), (40, 32695642), (49, 26690320), (56, 23354030), (70, 18683224), (71, 18420080), (74, 17673320), (80, 16347821), (98, 13345160), (112, 11677015), (127, 10297840), (140, 9341612), (142, 9210040), (148, 8836660), (185, 7069328), (196, 6672580), (245, 5338064), (254, 5148920), (259, 5049520), (280, 4670806), (284, 4605020), (296, 4418330), (355, 3684016), (370, 3534664), (392, 3336290), (490, 2669032), (497, 2631440), (508, 2574460), (518, 2524760), (560, 2335403), (568, 2302510), (592, 2209165), (635, 2059568), (710, 1842008), (740, 1767332), (784, 1668145), (889, 1471120), (980, 1334516), (994, 1315720), (1016, 1287230), (1036, 1262380), (1136, 1151255), (1270, 1029784), (1295, 1009904), (1420, 921004), (1480, 883666), (1778, 735560), (1813, 721360), (1960, 667258), (1988, 657860), (2032, 643615), (2072, 631190), (2485, 526288), (2540, 514892), (2590, 504952), (2627, 497840), (2840, 460502), (2960, 441833), (3479, 375920), (3556, 367780), (3626, 360680), (3920, 333629), (3976, 328930), (4144, 315595), (4445, 294224), (4699, 278320), (4970, 263144), (5080, 257446), (5180, 252476), (5254, 248920), (5680, 230251), (6223, 210160), (6958, 187960), (7112, 183890), (7252, 180340), (7952, 164465), (8890, 147112), (9017, 145040), (9065, 144272), (9398, 139160), (9940, 131572), (10160, 128723), (10360, 126238), (10508, 124460), (12446, 105080), (13135, 99568), (13916, 93980), (14224, 91945), (14504, 90170), (17395, 75184), (17780, 73556), (18034, 72520), (18130, 72136), (18389, 71120), (18796, 69580), (19880, 65786), (20720, 63119), (21016, 62230), (23495, 55664), (24892, 52540), (26270, 49784), (27832, 46990), (29008, 45085), (31115, 42032), (32893, 39760), (34790, 37592), (35560, 36778), (36068, 36260)]