128049440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 323326080

約数和(自身を除く): 195276640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 179, 263, 272, 340, 358, 526, 544, 680, 716, 895, 1052, 1315, 1360, 1432, 1790, 2104, 2630, 2720, 2864, 3043, 3580, 4208, 4471, 5260, 5728, 6086, 7160, 8416, 8942, 10520, 12172, 14320, 15215, 17884, 21040, 22355, 24344, 28640, 30430, 35768, 42080, 44710, 47077, 48688, 60860, 71536, 89420, 94154, 97376, 121720, 143072, 178840, 188308, 235385, 243440, 357680, 376616, 470770, 486880, 715360, 753232, 800309, 941540, 1506464, 1600618, 1883080, 3201236, 3766160, 4001545, 6402472, 7532320, 8003090, 12804944, 16006180, 25609888, 32012360, 64024720, 128049440]

約数ペア:

[(1, 128049440), (2, 64024720), (4, 32012360), (5, 25609888), (8, 16006180), (10, 12804944), (16, 8003090), (17, 7532320), (20, 6402472), (32, 4001545), (34, 3766160), (40, 3201236), (68, 1883080), (80, 1600618), (85, 1506464), (136, 941540), (160, 800309), (170, 753232), (179, 715360), (263, 486880), (272, 470770), (340, 376616), (358, 357680), (526, 243440), (544, 235385), (680, 188308), (716, 178840), (895, 143072), (1052, 121720), (1315, 97376), (1360, 94154), (1432, 89420), (1790, 71536), (2104, 60860), (2630, 48688), (2720, 47077), (2864, 44710), (3043, 42080), (3580, 35768), (4208, 30430), (4471, 28640), (5260, 24344), (5728, 22355), (6086, 21040), (7160, 17884), (8416, 15215), (8942, 14320), (10520, 12172)]