128089920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 224

約数和(自身を含む): 475488000

約数和(自身を除く): 347398080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 389, 392, 420, 448, 480, 490, 560, 588, 672, 686, 735, 778, 784, 840, 960, 980, 1029, 1120, 1167, 1176, 1344, 1372, 1470, 1556, 1568, 1680, 1715, 1945, 1960, 2058, 2240, 2334, 2352, 2723, 2744, 2940, 3112, 3136, 3360, 3430, 3890, 3920, 4116, 4668, 4704, 5145, 5446, 5488, 5835, 5880, 6224, 6720, 6860, 7780, 7840, 8169, 8232, 9336, 9408, 10290, 10892, 10976, 11670, 11760, 12448, 13615, 13720, 15560, 15680, 16338, 16464, 18672, 19061, 20580, 21784, 21952, 23340, 23520, 24896, 27230, 27440, 31120, 32676, 32928, 37344, 38122, 40845, 41160, 43568, 46680, 47040, 54460, 54880, 57183, 62240, 65352, 65856, 74688, 76244, 81690, 82320, 87136, 93360, 95305, 108920, 109760, 114366, 124480, 130704, 133427, 152488, 163380, 164640, 174272, 186720, 190610, 217840, 228732, 261408, 266854, 285915, 304976, 326760, 329280, 373440, 381220, 400281, 435680, 457464, 522816, 533708, 571830, 609952, 653520, 667135, 762440, 800562, 871360, 914928, 1067416, 1143660, 1219904, 1307040, 1334270, 1524880, 1601124, 1829856, 2001405, 2134832, 2287320, 2614080, 2668540, 3049760, 3202248, 3659712, 4002810, 4269664, 4574640, 5337080, 6099520, 6404496, 8005620, 8539328, 9149280, 10674160, 12808992, 16011240, 18298560, 21348320, 25617984, 32022480, 42696640, 64044960, 128089920]

約数ペア:

[(1, 128089920), (2, 64044960), (3, 42696640), (4, 32022480), (5, 25617984), (6, 21348320), (7, 18298560), (8, 16011240), (10, 12808992), (12, 10674160), (14, 9149280), (15, 8539328), (16, 8005620), (20, 6404496), (21, 6099520), (24, 5337080), (28, 4574640), (30, 4269664), (32, 4002810), (35, 3659712), (40, 3202248), (42, 3049760), (48, 2668540), (49, 2614080), (56, 2287320), (60, 2134832), (64, 2001405), (70, 1829856), (80, 1601124), (84, 1524880), (96, 1334270), (98, 1307040), (105, 1219904), (112, 1143660), (120, 1067416), (140, 914928), (147, 871360), (160, 800562), (168, 762440), (192, 667135), (196, 653520), (210, 609952), (224, 571830), (240, 533708), (245, 522816), (280, 457464), (294, 435680), (320, 400281), (336, 381220), (343, 373440), (389, 329280), (392, 326760), (420, 304976), (448, 285915), (480, 266854), (490, 261408), (560, 228732), (588, 217840), (672, 190610), (686, 186720), (735, 174272), (778, 164640), (784, 163380), (840, 152488), (960, 133427), (980, 130704), (1029, 124480), (1120, 114366), (1167, 109760), (1176, 108920), (1344, 95305), (1372, 93360), (1470, 87136), (1556, 82320), (1568, 81690), (1680, 76244), (1715, 74688), (1945, 65856), (1960, 65352), (2058, 62240), (2240, 57183), (2334, 54880), (2352, 54460), (2723, 47040), (2744, 46680), (2940, 43568), (3112, 41160), (3136, 40845), (3360, 38122), (3430, 37344), (3890, 32928), (3920, 32676), (4116, 31120), (4668, 27440), (4704, 27230), (5145, 24896), (5446, 23520), (5488, 23340), (5835, 21952), (5880, 21784), (6224, 20580), (6720, 19061), (6860, 18672), (7780, 16464), (7840, 16338), (8169, 15680), (8232, 15560), (9336, 13720), (9408, 13615), (10290, 12448), (10892, 11760), (10976, 11670)]