81389760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:738

約数の個数: 112

約数和(自身を含む): 260604000

約数和(自身を除く): 179214240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 149, 160, 192, 240, 298, 320, 447, 480, 569, 596, 745, 894, 960, 1138, 1192, 1490, 1707, 1788, 2235, 2276, 2384, 2845, 2980, 3414, 3576, 4470, 4552, 4768, 5690, 5960, 6828, 7152, 8535, 8940, 9104, 9536, 11380, 11920, 13656, 14304, 17070, 17880, 18208, 22760, 23840, 27312, 28608, 34140, 35760, 36416, 45520, 47680, 54624, 68280, 71520, 84781, 91040, 109248, 136560, 143040, 169562, 182080, 254343, 273120, 339124, 423905, 508686, 546240, 678248, 847810, 1017372, 1271715, 1356496, 1695620, 2034744, 2543430, 2712992, 3391240, 4069488, 5086860, 5425984, 6782480, 8138976, 10173720, 13564960, 16277952, 20347440, 27129920, 40694880, 81389760]

約数ペア:

[(1, 81389760), (2, 40694880), (3, 27129920), (4, 20347440), (5, 16277952), (6, 13564960), (8, 10173720), (10, 8138976), (12, 6782480), (15, 5425984), (16, 5086860), (20, 4069488), (24, 3391240), (30, 2712992), (32, 2543430), (40, 2034744), (48, 1695620), (60, 1356496), (64, 1271715), (80, 1017372), (96, 847810), (120, 678248), (149, 546240), (160, 508686), (192, 423905), (240, 339124), (298, 273120), (320, 254343), (447, 182080), (480, 169562), (569, 143040), (596, 136560), (745, 109248), (894, 91040), (960, 84781), (1138, 71520), (1192, 68280), (1490, 54624), (1707, 47680), (1788, 45520), (2235, 36416), (2276, 35760), (2384, 34140), (2845, 28608), (2980, 27312), (3414, 23840), (3576, 22760), (4470, 18208), (4552, 17880), (4768, 17070), (5690, 14304), (5960, 13656), (6828, 11920), (7152, 11380), (8535, 9536), (8940, 9104)]