87451520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 235448640

約数和(自身を除く): 147997120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 457, 460, 520, 598, 640, 736, 832, 914, 920, 1040, 1196, 1472, 1495, 1664, 1828, 1840, 2080, 2285, 2392, 2944, 2990, 3656, 3680, 4160, 4570, 4784, 5941, 5980, 7312, 7360, 8320, 9140, 9568, 10511, 11882, 11960, 14624, 14720, 18280, 19136, 21022, 23764, 23920, 29248, 29705, 36560, 38272, 42044, 47528, 47840, 52555, 58496, 59410, 73120, 84088, 95056, 95680, 105110, 118820, 136643, 146240, 168176, 190112, 191360, 210220, 237640, 273286, 292480, 336352, 380224, 420440, 475280, 546572, 672704, 683215, 760448, 840880, 950560, 1093144, 1345408, 1366430, 1681760, 1901120, 2186288, 2732860, 3363520, 3802240, 4372576, 5465720, 6727040, 8745152, 10931440, 17490304, 21862880, 43725760, 87451520]

約数ペア:

[(1, 87451520), (2, 43725760), (4, 21862880), (5, 17490304), (8, 10931440), (10, 8745152), (13, 6727040), (16, 5465720), (20, 4372576), (23, 3802240), (26, 3363520), (32, 2732860), (40, 2186288), (46, 1901120), (52, 1681760), (64, 1366430), (65, 1345408), (80, 1093144), (92, 950560), (104, 840880), (115, 760448), (128, 683215), (130, 672704), (160, 546572), (184, 475280), (208, 420440), (230, 380224), (260, 336352), (299, 292480), (320, 273286), (368, 237640), (416, 210220), (457, 191360), (460, 190112), (520, 168176), (598, 146240), (640, 136643), (736, 118820), (832, 105110), (914, 95680), (920, 95056), (1040, 84088), (1196, 73120), (1472, 59410), (1495, 58496), (1664, 52555), (1828, 47840), (1840, 47528), (2080, 42044), (2285, 38272), (2392, 36560), (2944, 29705), (2990, 29248), (3656, 23920), (3680, 23764), (4160, 21022), (4570, 19136), (4784, 18280), (5941, 14720), (5980, 14624), (7312, 11960), (7360, 11882), (8320, 10511), (9140, 9568)]