79967680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 112

約数和(自身を含む): 209946240

約数和(自身を除く): 129978560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 320, 376, 409, 416, 470, 520, 611, 752, 818, 832, 940, 1040, 1222, 1504, 1636, 1880, 2045, 2080, 2444, 3008, 3055, 3272, 3760, 4090, 4160, 4888, 5317, 6110, 6544, 7520, 8180, 9776, 10634, 12220, 13088, 15040, 16360, 19223, 19552, 21268, 24440, 26176, 26585, 32720, 38446, 39104, 42536, 48880, 53170, 65440, 76892, 85072, 96115, 97760, 106340, 130880, 153784, 170144, 192230, 195520, 212680, 249899, 307568, 340288, 384460, 425360, 499798, 615136, 768920, 850720, 999596, 1230272, 1249495, 1537840, 1701440, 1999192, 2498990, 3075680, 3998384, 4997980, 6151360, 7996768, 9995960, 15993536, 19991920, 39983840, 79967680]

約数ペア:

[(1, 79967680), (2, 39983840), (4, 19991920), (5, 15993536), (8, 9995960), (10, 7996768), (13, 6151360), (16, 4997980), (20, 3998384), (26, 3075680), (32, 2498990), (40, 1999192), (47, 1701440), (52, 1537840), (64, 1249495), (65, 1230272), (80, 999596), (94, 850720), (104, 768920), (130, 615136), (160, 499798), (188, 425360), (208, 384460), (235, 340288), (260, 307568), (320, 249899), (376, 212680), (409, 195520), (416, 192230), (470, 170144), (520, 153784), (611, 130880), (752, 106340), (818, 97760), (832, 96115), (940, 85072), (1040, 76892), (1222, 65440), (1504, 53170), (1636, 48880), (1880, 42536), (2045, 39104), (2080, 38446), (2444, 32720), (3008, 26585), (3055, 26176), (3272, 24440), (3760, 21268), (4090, 19552), (4160, 19223), (4888, 16360), (5317, 15040), (6110, 13088), (6544, 12220), (7520, 10634), (8180, 9776)]