128236320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 288

約数和(自身を含む): 475675200

約数和(自身を除く): 347438880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 43, 45, 48, 57, 60, 72, 76, 80, 86, 90, 95, 96, 109, 114, 120, 129, 144, 152, 160, 171, 172, 180, 190, 215, 218, 228, 240, 258, 285, 288, 304, 327, 342, 344, 360, 380, 387, 430, 436, 456, 480, 516, 545, 570, 608, 645, 654, 684, 688, 720, 760, 774, 817, 855, 860, 872, 912, 981, 1032, 1090, 1140, 1290, 1308, 1368, 1376, 1440, 1520, 1548, 1634, 1635, 1710, 1720, 1744, 1824, 1935, 1962, 2064, 2071, 2180, 2280, 2451, 2580, 2616, 2736, 3040, 3096, 3268, 3270, 3420, 3440, 3488, 3870, 3924, 4085, 4128, 4142, 4360, 4560, 4687, 4902, 4905, 5160, 5232, 5472, 6192, 6213, 6536, 6540, 6840, 6880, 7353, 7740, 7848, 8170, 8284, 8720, 9120, 9374, 9804, 9810, 10320, 10355, 10464, 12255, 12384, 12426, 13072, 13080, 13680, 14061, 14706, 15480, 15696, 16340, 16568, 17440, 18639, 18748, 19608, 19620, 20640, 20710, 23435, 24510, 24852, 26144, 26160, 27360, 28122, 29412, 30960, 31065, 31392, 32680, 33136, 36765, 37278, 37496, 39216, 39240, 41420, 42183, 46870, 49020, 49704, 52320, 56244, 58824, 61920, 62130, 65360, 66272, 70305, 73530, 74556, 74992, 78432, 78480, 82840, 84366, 89053, 93195, 93740, 98040, 99408, 112488, 117648, 124260, 130720, 140610, 147060, 149112, 149984, 156960, 165680, 168732, 178106, 186390, 187480, 196080, 198816, 210915, 224976, 235296, 248520, 267159, 281220, 294120, 298224, 331360, 337464, 356212, 372780, 374960, 392160, 421830, 445265, 449952, 497040, 534318, 562440, 588240, 596448, 674928, 712424, 745560, 749920, 801477, 843660, 890530, 994080, 1068636, 1124880, 1176480, 1335795, 1349856, 1424848, 1491120, 1602954, 1687320, 1781060, 2137272, 2249760, 2671590, 2849696, 2982240, 3205908, 3374640, 3562120, 4007385, 4274544, 5343180, 6411816, 6749280, 7124240, 8014770, 8549088, 10686360, 12823632, 14248480, 16029540, 21372720, 25647264, 32059080, 42745440, 64118160, 128236320]

約数ペア:

[(1, 128236320), (2, 64118160), (3, 42745440), (4, 32059080), (5, 25647264), (6, 21372720), (8, 16029540), (9, 14248480), (10, 12823632), (12, 10686360), (15, 8549088), (16, 8014770), (18, 7124240), (19, 6749280), (20, 6411816), (24, 5343180), (30, 4274544), (32, 4007385), (36, 3562120), (38, 3374640), (40, 3205908), (43, 2982240), (45, 2849696), (48, 2671590), (57, 2249760), (60, 2137272), (72, 1781060), (76, 1687320), (80, 1602954), (86, 1491120), (90, 1424848), (95, 1349856), (96, 1335795), (109, 1176480), (114, 1124880), (120, 1068636), (129, 994080), (144, 890530), (152, 843660), (160, 801477), (171, 749920), (172, 745560), (180, 712424), (190, 674928), (215, 596448), (218, 588240), (228, 562440), (240, 534318), (258, 497040), (285, 449952), (288, 445265), (304, 421830), (327, 392160), (342, 374960), (344, 372780), (360, 356212), (380, 337464), (387, 331360), (430, 298224), (436, 294120), (456, 281220), (480, 267159), (516, 248520), (545, 235296), (570, 224976), (608, 210915), (645, 198816), (654, 196080), (684, 187480), (688, 186390), (720, 178106), (760, 168732), (774, 165680), (817, 156960), (855, 149984), (860, 149112), (872, 147060), (912, 140610), (981, 130720), (1032, 124260), (1090, 117648), (1140, 112488), (1290, 99408), (1308, 98040), (1368, 93740), (1376, 93195), (1440, 89053), (1520, 84366), (1548, 82840), (1634, 78480), (1635, 78432), (1710, 74992), (1720, 74556), (1744, 73530), (1824, 70305), (1935, 66272), (1962, 65360), (2064, 62130), (2071, 61920), (2180, 58824), (2280, 56244), (2451, 52320), (2580, 49704), (2616, 49020), (2736, 46870), (3040, 42183), (3096, 41420), (3268, 39240), (3270, 39216), (3420, 37496), (3440, 37278), (3488, 36765), (3870, 33136), (3924, 32680), (4085, 31392), (4128, 31065), (4142, 30960), (4360, 29412), (4560, 28122), (4687, 27360), (4902, 26160), (4905, 26144), (5160, 24852), (5232, 24510), (5472, 23435), (6192, 20710), (6213, 20640), (6536, 19620), (6540, 19608), (6840, 18748), (6880, 18639), (7353, 17440), (7740, 16568), (7848, 16340), (8170, 15696), (8284, 15480), (8720, 14706), (9120, 14061), (9374, 13680), (9804, 13080), (9810, 13072), (10320, 12426), (10355, 12384), (10464, 12255)]