1720155840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{409}}^1$

素因数の和:779

約数の個数: 224

約数和(自身を含む): 5913485760

約数和(自身を除く): 4193329920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 337, 390, 409, 416, 480, 520, 624, 674, 780, 818, 832, 960, 1011, 1040, 1227, 1248, 1348, 1560, 1636, 1685, 2022, 2045, 2080, 2454, 2496, 2696, 3120, 3272, 3370, 4044, 4090, 4160, 4381, 4908, 5055, 5317, 5392, 6135, 6240, 6544, 6740, 8088, 8180, 8762, 9816, 10110, 10634, 10784, 12270, 12480, 13088, 13143, 13480, 15951, 16176, 16360, 17524, 19632, 20220, 21268, 21568, 21905, 24540, 26176, 26286, 26585, 26960, 31902, 32352, 32720, 35048, 39264, 40440, 42536, 43810, 49080, 52572, 53170, 53920, 63804, 64704, 65440, 65715, 70096, 78528, 79755, 80880, 85072, 87620, 98160, 105144, 106340, 107840, 127608, 130880, 131430, 137833, 140192, 159510, 161760, 170144, 175240, 196320, 210288, 212680, 255216, 262860, 275666, 280384, 319020, 323520, 340288, 350480, 392640, 413499, 420576, 425360, 510432, 525720, 551332, 638040, 689165, 700960, 826998, 841152, 850720, 1020864, 1051440, 1102664, 1276080, 1378330, 1401920, 1653996, 1701440, 1791829, 2067495, 2102880, 2205328, 2552160, 2756660, 3307992, 3583658, 4134990, 4205760, 4410656, 5104320, 5375487, 5513320, 6615984, 7167316, 8269980, 8821312, 8959145, 10750974, 11026640, 13231968, 14334632, 16539960, 17918290, 21501948, 22053280, 26463936, 26877435, 28669264, 33079920, 35836580, 43003896, 44106560, 53754870, 57338528, 66159840, 71673160, 86007792, 107509740, 114677056, 132319680, 143346320, 172015584, 215019480, 286692640, 344031168, 430038960, 573385280, 860077920, 1720155840]

約数ペア:

[(1, 1720155840), (2, 860077920), (3, 573385280), (4, 430038960), (5, 344031168), (6, 286692640), (8, 215019480), (10, 172015584), (12, 143346320), (13, 132319680), (15, 114677056), (16, 107509740), (20, 86007792), (24, 71673160), (26, 66159840), (30, 57338528), (32, 53754870), (39, 44106560), (40, 43003896), (48, 35836580), (52, 33079920), (60, 28669264), (64, 26877435), (65, 26463936), (78, 22053280), (80, 21501948), (96, 17918290), (104, 16539960), (120, 14334632), (130, 13231968), (156, 11026640), (160, 10750974), (192, 8959145), (195, 8821312), (208, 8269980), (240, 7167316), (260, 6615984), (312, 5513320), (320, 5375487), (337, 5104320), (390, 4410656), (409, 4205760), (416, 4134990), (480, 3583658), (520, 3307992), (624, 2756660), (674, 2552160), (780, 2205328), (818, 2102880), (832, 2067495), (960, 1791829), (1011, 1701440), (1040, 1653996), (1227, 1401920), (1248, 1378330), (1348, 1276080), (1560, 1102664), (1636, 1051440), (1685, 1020864), (2022, 850720), (2045, 841152), (2080, 826998), (2454, 700960), (2496, 689165), (2696, 638040), (3120, 551332), (3272, 525720), (3370, 510432), (4044, 425360), (4090, 420576), (4160, 413499), (4381, 392640), (4908, 350480), (5055, 340288), (5317, 323520), (5392, 319020), (6135, 280384), (6240, 275666), (6544, 262860), (6740, 255216), (8088, 212680), (8180, 210288), (8762, 196320), (9816, 175240), (10110, 170144), (10634, 161760), (10784, 159510), (12270, 140192), (12480, 137833), (13088, 131430), (13143, 130880), (13480, 127608), (15951, 107840), (16176, 106340), (16360, 105144), (17524, 98160), (19632, 87620), (20220, 85072), (21268, 80880), (21568, 79755), (21905, 78528), (24540, 70096), (26176, 65715), (26286, 65440), (26585, 64704), (26960, 63804), (31902, 53920), (32352, 53170), (32720, 52572), (35048, 49080), (39264, 43810), (40440, 42536)]