87405520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 215521920

約数和(自身を除く): 128116400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 67, 80, 92, 115, 134, 184, 230, 268, 335, 368, 460, 536, 670, 709, 920, 1072, 1340, 1418, 1541, 1840, 2680, 2836, 3082, 3545, 5360, 5672, 6164, 7090, 7705, 11344, 12328, 14180, 15410, 16307, 24656, 28360, 30820, 32614, 47503, 56720, 61640, 65228, 81535, 95006, 123280, 130456, 163070, 190012, 237515, 260912, 326140, 380024, 475030, 652280, 760048, 950060, 1092569, 1304560, 1900120, 2185138, 3800240, 4370276, 5462845, 8740552, 10925690, 17481104, 21851380, 43702760, 87405520]

約数ペア:

[(1, 87405520), (2, 43702760), (4, 21851380), (5, 17481104), (8, 10925690), (10, 8740552), (16, 5462845), (20, 4370276), (23, 3800240), (40, 2185138), (46, 1900120), (67, 1304560), (80, 1092569), (92, 950060), (115, 760048), (134, 652280), (184, 475030), (230, 380024), (268, 326140), (335, 260912), (368, 237515), (460, 190012), (536, 163070), (670, 130456), (709, 123280), (920, 95006), (1072, 81535), (1340, 65228), (1418, 61640), (1541, 56720), (1840, 47503), (2680, 32614), (2836, 30820), (3082, 28360), (3545, 24656), (5360, 16307), (5672, 15410), (6164, 14180), (7090, 12328), (7705, 11344)]