663163520

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 1645056000

約数和(自身を除く): 981892480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 127, 128, 160, 164, 199, 205, 254, 320, 328, 398, 410, 508, 635, 640, 656, 796, 820, 995, 1016, 1270, 1312, 1592, 1640, 1990, 2032, 2540, 2624, 3184, 3280, 3980, 4064, 5080, 5207, 5248, 6368, 6560, 7960, 8128, 8159, 10160, 10414, 12736, 13120, 15920, 16256, 16318, 20320, 20828, 25273, 25472, 26035, 26240, 31840, 32636, 40640, 40795, 41656, 50546, 52070, 63680, 65272, 81280, 81590, 83312, 101092, 104140, 126365, 127360, 130544, 163180, 166624, 202184, 208280, 252730, 261088, 326360, 333248, 404368, 416560, 505460, 522176, 652720, 666496, 808736, 833120, 1010920, 1036193, 1044352, 1305440, 1617472, 1666240, 2021840, 2072386, 2610880, 3234944, 3332480, 4043680, 4144772, 5180965, 5221760, 8087360, 8289544, 10361930, 16174720, 16579088, 20723860, 33158176, 41447720, 66316352, 82895440, 132632704, 165790880, 331581760, 663163520]

約数ペア:

[(1, 663163520), (2, 331581760), (4, 165790880), (5, 132632704), (8, 82895440), (10, 66316352), (16, 41447720), (20, 33158176), (32, 20723860), (40, 16579088), (41, 16174720), (64, 10361930), (80, 8289544), (82, 8087360), (127, 5221760), (128, 5180965), (160, 4144772), (164, 4043680), (199, 3332480), (205, 3234944), (254, 2610880), (320, 2072386), (328, 2021840), (398, 1666240), (410, 1617472), (508, 1305440), (635, 1044352), (640, 1036193), (656, 1010920), (796, 833120), (820, 808736), (995, 666496), (1016, 652720), (1270, 522176), (1312, 505460), (1592, 416560), (1640, 404368), (1990, 333248), (2032, 326360), (2540, 261088), (2624, 252730), (3184, 208280), (3280, 202184), (3980, 166624), (4064, 163180), (5080, 130544), (5207, 127360), (5248, 126365), (6368, 104140), (6560, 101092), (7960, 83312), (8128, 81590), (8159, 81280), (10160, 65272), (10414, 63680), (12736, 52070), (13120, 50546), (15920, 41656), (16256, 40795), (16318, 40640), (20320, 32636), (20828, 31840), (25273, 26240), (25472, 26035)]