128377600

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1582

約数の個数: 108

約数和(自身を含む): 342419056

約数和(自身を除く): 214041456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 1040, 1280, 1300, 1543, 1600, 1664, 2080, 2600, 3086, 3200, 3328, 4160, 5200, 6172, 6400, 7715, 8320, 10400, 12344, 15430, 16640, 20059, 20800, 24688, 30860, 38575, 40118, 41600, 49376, 61720, 77150, 80236, 83200, 98752, 100295, 123440, 154300, 160472, 197504, 200590, 246880, 308600, 320944, 395008, 401180, 493760, 501475, 617200, 641888, 802360, 987520, 1002950, 1234400, 1283776, 1604720, 1975040, 2005900, 2468800, 2567552, 3209440, 4011800, 4937600, 5135104, 6418880, 8023600, 9875200, 12837760, 16047200, 25675520, 32094400, 64188800, 128377600]

約数ペア:

[(1, 128377600), (2, 64188800), (4, 32094400), (5, 25675520), (8, 16047200), (10, 12837760), (13, 9875200), (16, 8023600), (20, 6418880), (25, 5135104), (26, 4937600), (32, 4011800), (40, 3209440), (50, 2567552), (52, 2468800), (64, 2005900), (65, 1975040), (80, 1604720), (100, 1283776), (104, 1234400), (128, 1002950), (130, 987520), (160, 802360), (200, 641888), (208, 617200), (256, 501475), (260, 493760), (320, 401180), (325, 395008), (400, 320944), (416, 308600), (520, 246880), (640, 200590), (650, 197504), (800, 160472), (832, 154300), (1040, 123440), (1280, 100295), (1300, 98752), (1543, 83200), (1600, 80236), (1664, 77150), (2080, 61720), (2600, 49376), (3086, 41600), (3200, 40118), (3328, 38575), (4160, 30860), (5200, 24688), (6172, 20800), (6400, 20059), (7715, 16640), (8320, 15430), (10400, 12344)]