81503040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1163}}^1$

素因数の和:1256

約数の個数: 112

約数和(自身を含む): 262542528

約数和(自身を除く): 181039488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 320, 365, 438, 480, 584, 730, 876, 960, 1095, 1163, 1168, 1460, 1752, 2190, 2326, 2336, 2920, 3489, 3504, 4380, 4652, 4672, 5815, 5840, 6978, 7008, 8760, 9304, 11630, 11680, 13956, 14016, 17445, 17520, 18608, 23260, 23360, 27912, 34890, 35040, 37216, 46520, 55824, 69780, 70080, 74432, 84899, 93040, 111648, 139560, 169798, 186080, 223296, 254697, 279120, 339596, 372160, 424495, 509394, 558240, 679192, 848990, 1018788, 1116480, 1273485, 1358384, 1697980, 2037576, 2546970, 2716768, 3395960, 4075152, 5093940, 5433536, 6791920, 8150304, 10187880, 13583840, 16300608, 20375760, 27167680, 40751520, 81503040]

約数ペア:

[(1, 81503040), (2, 40751520), (3, 27167680), (4, 20375760), (5, 16300608), (6, 13583840), (8, 10187880), (10, 8150304), (12, 6791920), (15, 5433536), (16, 5093940), (20, 4075152), (24, 3395960), (30, 2716768), (32, 2546970), (40, 2037576), (48, 1697980), (60, 1358384), (64, 1273485), (73, 1116480), (80, 1018788), (96, 848990), (120, 679192), (146, 558240), (160, 509394), (192, 424495), (219, 372160), (240, 339596), (292, 279120), (320, 254697), (365, 223296), (438, 186080), (480, 169798), (584, 139560), (730, 111648), (876, 93040), (960, 84899), (1095, 74432), (1163, 70080), (1168, 69780), (1460, 55824), (1752, 46520), (2190, 37216), (2326, 35040), (2336, 34890), (2920, 27912), (3489, 23360), (3504, 23260), (4380, 18608), (4652, 17520), (4672, 17445), (5815, 14016), (5840, 13956), (6978, 11680), (7008, 11630), (8760, 9304)]