78139920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 255340800

約数和(自身を除く): 177200880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 103, 109, 116, 120, 145, 174, 206, 218, 232, 240, 290, 309, 327, 348, 412, 435, 436, 464, 515, 545, 580, 618, 654, 696, 824, 870, 872, 1030, 1090, 1160, 1236, 1308, 1392, 1545, 1635, 1648, 1740, 1744, 2060, 2180, 2320, 2472, 2616, 2987, 3090, 3161, 3270, 3480, 4120, 4360, 4944, 5232, 5974, 6180, 6322, 6540, 6960, 8240, 8720, 8961, 9483, 11227, 11948, 12360, 12644, 13080, 14935, 15805, 17922, 18966, 22454, 23896, 24720, 25288, 26160, 29870, 31610, 33681, 35844, 37932, 44805, 44908, 47415, 47792, 50576, 56135, 59740, 63220, 67362, 71688, 75864, 89610, 89816, 94830, 112270, 119480, 126440, 134724, 143376, 151728, 168405, 179220, 179632, 189660, 224540, 238960, 252880, 269448, 325583, 336810, 358440, 379320, 449080, 538896, 651166, 673620, 716880, 758640, 898160, 976749, 1302332, 1347240, 1627915, 1953498, 2604664, 2694480, 3255830, 3906996, 4883745, 5209328, 6511660, 7813992, 9767490, 13023320, 15627984, 19534980, 26046640, 39069960, 78139920]

約数ペア:

[(1, 78139920), (2, 39069960), (3, 26046640), (4, 19534980), (5, 15627984), (6, 13023320), (8, 9767490), (10, 7813992), (12, 6511660), (15, 5209328), (16, 4883745), (20, 3906996), (24, 3255830), (29, 2694480), (30, 2604664), (40, 1953498), (48, 1627915), (58, 1347240), (60, 1302332), (80, 976749), (87, 898160), (103, 758640), (109, 716880), (116, 673620), (120, 651166), (145, 538896), (174, 449080), (206, 379320), (218, 358440), (232, 336810), (240, 325583), (290, 269448), (309, 252880), (327, 238960), (348, 224540), (412, 189660), (435, 179632), (436, 179220), (464, 168405), (515, 151728), (545, 143376), (580, 134724), (618, 126440), (654, 119480), (696, 112270), (824, 94830), (870, 89816), (872, 89610), (1030, 75864), (1090, 71688), (1160, 67362), (1236, 63220), (1308, 59740), (1392, 56135), (1545, 50576), (1635, 47792), (1648, 47415), (1740, 44908), (1744, 44805), (2060, 37932), (2180, 35844), (2320, 33681), (2472, 31610), (2616, 29870), (2987, 26160), (3090, 25288), (3161, 24720), (3270, 23896), (3480, 22454), (4120, 18966), (4360, 17922), (4944, 15805), (5232, 14935), (5974, 13080), (6180, 12644), (6322, 12360), (6540, 11948), (6960, 11227), (8240, 9483), (8720, 8961)]