127915840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:444

約数の個数: 112

約数和(自身を含む): 332457552

約数和(自身を除く): 204541712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 130, 160, 194, 208, 260, 317, 320, 388, 416, 485, 520, 634, 776, 832, 970, 1040, 1261, 1268, 1552, 1585, 1940, 2080, 2522, 2536, 3104, 3170, 3880, 4121, 4160, 5044, 5072, 6208, 6305, 6340, 7760, 8242, 10088, 10144, 12610, 12680, 15520, 16484, 20176, 20288, 20605, 25220, 25360, 30749, 31040, 32968, 40352, 41210, 50440, 50720, 61498, 65936, 80704, 82420, 100880, 101440, 122996, 131872, 153745, 164840, 201760, 245992, 263744, 307490, 329680, 399737, 403520, 491984, 614980, 659360, 799474, 983968, 1229960, 1318720, 1598948, 1967936, 1998685, 2459920, 3197896, 3997370, 4919840, 6395792, 7994740, 9839680, 12791584, 15989480, 25583168, 31978960, 63957920, 127915840]

約数ペア:

[(1, 127915840), (2, 63957920), (4, 31978960), (5, 25583168), (8, 15989480), (10, 12791584), (13, 9839680), (16, 7994740), (20, 6395792), (26, 4919840), (32, 3997370), (40, 3197896), (52, 2459920), (64, 1998685), (65, 1967936), (80, 1598948), (97, 1318720), (104, 1229960), (130, 983968), (160, 799474), (194, 659360), (208, 614980), (260, 491984), (317, 403520), (320, 399737), (388, 329680), (416, 307490), (485, 263744), (520, 245992), (634, 201760), (776, 164840), (832, 153745), (970, 131872), (1040, 122996), (1261, 101440), (1268, 100880), (1552, 82420), (1585, 80704), (1940, 65936), (2080, 61498), (2522, 50720), (2536, 50440), (3104, 41210), (3170, 40352), (3880, 32968), (4121, 31040), (4160, 30749), (5044, 25360), (5072, 25220), (6208, 20605), (6305, 20288), (6340, 20176), (7760, 16484), (8242, 15520), (10088, 12680), (10144, 12610)]