17987520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 112

約数和(自身を含む): 58631328

約数和(自身を除く): 40643808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 160, 164, 192, 205, 240, 246, 320, 328, 410, 457, 480, 492, 615, 656, 820, 914, 960, 984, 1230, 1312, 1371, 1640, 1828, 1968, 2285, 2460, 2624, 2742, 3280, 3656, 3936, 4570, 4920, 5484, 6560, 6855, 7312, 7872, 9140, 9840, 10968, 13120, 13710, 14624, 18280, 18737, 19680, 21936, 27420, 29248, 36560, 37474, 39360, 43872, 54840, 56211, 73120, 74948, 87744, 93685, 109680, 112422, 146240, 149896, 187370, 219360, 224844, 281055, 299792, 374740, 438720, 449688, 562110, 599584, 749480, 899376, 1124220, 1199168, 1498960, 1798752, 2248440, 2997920, 3597504, 4496880, 5995840, 8993760, 17987520]

約数ペア:

[(1, 17987520), (2, 8993760), (3, 5995840), (4, 4496880), (5, 3597504), (6, 2997920), (8, 2248440), (10, 1798752), (12, 1498960), (15, 1199168), (16, 1124220), (20, 899376), (24, 749480), (30, 599584), (32, 562110), (40, 449688), (41, 438720), (48, 374740), (60, 299792), (64, 281055), (80, 224844), (82, 219360), (96, 187370), (120, 149896), (123, 146240), (160, 112422), (164, 109680), (192, 93685), (205, 87744), (240, 74948), (246, 73120), (320, 56211), (328, 54840), (410, 43872), (457, 39360), (480, 37474), (492, 36560), (615, 29248), (656, 27420), (820, 21936), (914, 19680), (960, 18737), (984, 18280), (1230, 14624), (1312, 13710), (1371, 13120), (1640, 10968), (1828, 9840), (1968, 9140), (2285, 7872), (2460, 7312), (2624, 6855), (2742, 6560), (3280, 5484), (3656, 4920), (3936, 4570)]