16795520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 48176640

約数和(自身を除く): 31381120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 163, 184, 224, 230, 280, 320, 322, 326, 368, 448, 460, 560, 640, 644, 652, 736, 805, 815, 896, 920, 1120, 1141, 1288, 1304, 1472, 1610, 1630, 1840, 2240, 2282, 2576, 2608, 2944, 3220, 3260, 3680, 3749, 4480, 4564, 5152, 5216, 5705, 6440, 6520, 7360, 7498, 9128, 10304, 10432, 11410, 12880, 13040, 14720, 14996, 18256, 18745, 20608, 20864, 22820, 25760, 26080, 26243, 29992, 36512, 37490, 45640, 51520, 52160, 52486, 59984, 73024, 74980, 91280, 103040, 104320, 104972, 119968, 131215, 146048, 149960, 182560, 209944, 239936, 262430, 299920, 365120, 419888, 479872, 524860, 599840, 730240, 839776, 1049720, 1199680, 1679552, 2099440, 2399360, 3359104, 4198880, 8397760, 16795520]

約数ペア:

[(1, 16795520), (2, 8397760), (4, 4198880), (5, 3359104), (7, 2399360), (8, 2099440), (10, 1679552), (14, 1199680), (16, 1049720), (20, 839776), (23, 730240), (28, 599840), (32, 524860), (35, 479872), (40, 419888), (46, 365120), (56, 299920), (64, 262430), (70, 239936), (80, 209944), (92, 182560), (112, 149960), (115, 146048), (128, 131215), (140, 119968), (160, 104972), (161, 104320), (163, 103040), (184, 91280), (224, 74980), (230, 73024), (280, 59984), (320, 52486), (322, 52160), (326, 51520), (368, 45640), (448, 37490), (460, 36512), (560, 29992), (640, 26243), (644, 26080), (652, 25760), (736, 22820), (805, 20864), (815, 20608), (896, 18745), (920, 18256), (1120, 14996), (1141, 14720), (1288, 13040), (1304, 12880), (1472, 11410), (1610, 10432), (1630, 10304), (1840, 9128), (2240, 7498), (2282, 7360), (2576, 6520), (2608, 6440), (2944, 5705), (3220, 5216), (3260, 5152), (3680, 4564), (3749, 4480)]