128317920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 192

約数和(自身を含む): 431101440

約数和(自身を除く): 302783520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 59, 60, 69, 80, 92, 96, 115, 118, 120, 138, 160, 177, 184, 197, 230, 236, 240, 276, 295, 345, 354, 368, 394, 460, 472, 480, 552, 590, 591, 690, 708, 736, 788, 885, 920, 944, 985, 1104, 1180, 1182, 1357, 1380, 1416, 1576, 1770, 1840, 1888, 1970, 2208, 2360, 2364, 2714, 2760, 2832, 2955, 3152, 3540, 3680, 3940, 4071, 4531, 4720, 4728, 5428, 5520, 5664, 5910, 6304, 6785, 7080, 7880, 8142, 9062, 9440, 9456, 10856, 11040, 11623, 11820, 13570, 13593, 14160, 15760, 16284, 18124, 18912, 20355, 21712, 22655, 23246, 23640, 27140, 27186, 28320, 31520, 32568, 34869, 36248, 40710, 43424, 45310, 46492, 47280, 54280, 54372, 58115, 65136, 67965, 69738, 72496, 81420, 90620, 92984, 94560, 108560, 108744, 116230, 130272, 135930, 139476, 144992, 162840, 174345, 181240, 185968, 217120, 217488, 232460, 267329, 271860, 278952, 325680, 348690, 362480, 371936, 434976, 464920, 534658, 543720, 557904, 651360, 697380, 724960, 801987, 929840, 1069316, 1087440, 1115808, 1336645, 1394760, 1603974, 1859680, 2138632, 2174880, 2673290, 2789520, 3207948, 4009935, 4277264, 5346580, 5579040, 6415896, 8019870, 8554528, 10693160, 12831792, 16039740, 21386320, 25663584, 32079480, 42772640, 64158960, 128317920]

約数ペア:

[(1, 128317920), (2, 64158960), (3, 42772640), (4, 32079480), (5, 25663584), (6, 21386320), (8, 16039740), (10, 12831792), (12, 10693160), (15, 8554528), (16, 8019870), (20, 6415896), (23, 5579040), (24, 5346580), (30, 4277264), (32, 4009935), (40, 3207948), (46, 2789520), (48, 2673290), (59, 2174880), (60, 2138632), (69, 1859680), (80, 1603974), (92, 1394760), (96, 1336645), (115, 1115808), (118, 1087440), (120, 1069316), (138, 929840), (160, 801987), (177, 724960), (184, 697380), (197, 651360), (230, 557904), (236, 543720), (240, 534658), (276, 464920), (295, 434976), (345, 371936), (354, 362480), (368, 348690), (394, 325680), (460, 278952), (472, 271860), (480, 267329), (552, 232460), (590, 217488), (591, 217120), (690, 185968), (708, 181240), (736, 174345), (788, 162840), (885, 144992), (920, 139476), (944, 135930), (985, 130272), (1104, 116230), (1180, 108744), (1182, 108560), (1357, 94560), (1380, 92984), (1416, 90620), (1576, 81420), (1770, 72496), (1840, 69738), (1888, 67965), (1970, 65136), (2208, 58115), (2360, 54372), (2364, 54280), (2714, 47280), (2760, 46492), (2832, 45310), (2955, 43424), (3152, 40710), (3540, 36248), (3680, 34869), (3940, 32568), (4071, 31520), (4531, 28320), (4720, 27186), (4728, 27140), (5428, 23640), (5520, 23246), (5664, 22655), (5910, 21712), (6304, 20355), (6785, 18912), (7080, 18124), (7880, 16284), (8142, 15760), (9062, 14160), (9440, 13593), (9456, 13570), (10856, 11820), (11040, 11623)]