20685828480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{633757}}^1$

素因数の和:633796

約数の個数: 128

約数和(自身を含む): 69814781280

約数和(自身を除く): 49128952800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 32640, 633757, 1267514, 1901271, 2535028, 3168785, 3802542, 5070056, 6337570, 7605084, 9506355, 10140112, 10773869, 12675140, 15210168, 19012710, 20280224, 21547738, 25350280, 30420336, 32321607, 38025420, 40560448, 43095476, 50700560, 53869345, 60840672, 64643214, 76050840, 81120896, 86190952, 101401120, 107738690, 121681344, 129286428, 152101680, 161608035, 172381904, 202802240, 215477380, 243362688, 258572856, 304203360, 323216070, 344763808, 405604480, 430954760, 517145712, 608406720, 646432140, 689527616, 861909520, 1034291424, 1216813440, 1292864280, 1379055232, 1723819040, 2068582848, 2585728560, 3447638080, 4137165696, 5171457120, 6895276160, 10342914240, 20685828480]

約数ペア:

[(1, 20685828480), (2, 10342914240), (3, 6895276160), (4, 5171457120), (5, 4137165696), (6, 3447638080), (8, 2585728560), (10, 2068582848), (12, 1723819040), (15, 1379055232), (16, 1292864280), (17, 1216813440), (20, 1034291424), (24, 861909520), (30, 689527616), (32, 646432140), (34, 608406720), (40, 517145712), (48, 430954760), (51, 405604480), (60, 344763808), (64, 323216070), (68, 304203360), (80, 258572856), (85, 243362688), (96, 215477380), (102, 202802240), (120, 172381904), (128, 161608035), (136, 152101680), (160, 129286428), (170, 121681344), (192, 107738690), (204, 101401120), (240, 86190952), (255, 81120896), (272, 76050840), (320, 64643214), (340, 60840672), (384, 53869345), (408, 50700560), (480, 43095476), (510, 40560448), (544, 38025420), (640, 32321607), (680, 30420336), (816, 25350280), (960, 21547738), (1020, 20280224), (1088, 19012710), (1360, 15210168), (1632, 12675140), (1920, 10773869), (2040, 10140112), (2176, 9506355), (2720, 7605084), (3264, 6337570), (4080, 5070056), (5440, 3802542), (6528, 3168785), (8160, 2535028), (10880, 1901271), (16320, 1267514), (32640, 633757)]