81213120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 168

約数和(自身を含む): 282677616

約数和(自身を除く): 201464496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 163, 173, 180, 192, 240, 288, 320, 326, 346, 360, 480, 489, 519, 576, 652, 692, 720, 815, 865, 960, 978, 1038, 1304, 1384, 1440, 1467, 1557, 1630, 1730, 1956, 2076, 2445, 2595, 2608, 2768, 2880, 2934, 3114, 3260, 3460, 3912, 4152, 4890, 5190, 5216, 5536, 5868, 6228, 6520, 6920, 7335, 7785, 7824, 8304, 9780, 10380, 10432, 11072, 11736, 12456, 13040, 13840, 14670, 15570, 15648, 16608, 19560, 20760, 23472, 24912, 26080, 27680, 28199, 29340, 31140, 31296, 33216, 39120, 41520, 46944, 49824, 52160, 55360, 56398, 58680, 62280, 78240, 83040, 84597, 93888, 99648, 112796, 117360, 124560, 140995, 156480, 166080, 169194, 225592, 234720, 249120, 253791, 281990, 338388, 422985, 451184, 469440, 498240, 507582, 563980, 676776, 845970, 902368, 1015164, 1127960, 1268955, 1353552, 1691940, 1804736, 2030328, 2255920, 2537910, 2707104, 3383880, 4060656, 4511840, 5075820, 5414208, 6767760, 8121312, 9023680, 10151640, 13535520, 16242624, 20303280, 27071040, 40606560, 81213120]

約数ペア:

[(1, 81213120), (2, 40606560), (3, 27071040), (4, 20303280), (5, 16242624), (6, 13535520), (8, 10151640), (9, 9023680), (10, 8121312), (12, 6767760), (15, 5414208), (16, 5075820), (18, 4511840), (20, 4060656), (24, 3383880), (30, 2707104), (32, 2537910), (36, 2255920), (40, 2030328), (45, 1804736), (48, 1691940), (60, 1353552), (64, 1268955), (72, 1127960), (80, 1015164), (90, 902368), (96, 845970), (120, 676776), (144, 563980), (160, 507582), (163, 498240), (173, 469440), (180, 451184), (192, 422985), (240, 338388), (288, 281990), (320, 253791), (326, 249120), (346, 234720), (360, 225592), (480, 169194), (489, 166080), (519, 156480), (576, 140995), (652, 124560), (692, 117360), (720, 112796), (815, 99648), (865, 93888), (960, 84597), (978, 83040), (1038, 78240), (1304, 62280), (1384, 58680), (1440, 56398), (1467, 55360), (1557, 52160), (1630, 49824), (1730, 46944), (1956, 41520), (2076, 39120), (2445, 33216), (2595, 31296), (2608, 31140), (2768, 29340), (2880, 28199), (2934, 27680), (3114, 26080), (3260, 24912), (3460, 23472), (3912, 20760), (4152, 19560), (4890, 16608), (5190, 15648), (5216, 15570), (5536, 14670), (5868, 13840), (6228, 13040), (6520, 12456), (6920, 11736), (7335, 11072), (7785, 10432), (7824, 10380), (8304, 9780)]