181720320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1340

約数の個数: 144

約数和(自身を含む): 596520960

約数和(自身を除く): 414800640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 768, 888, 960, 1110, 1184, 1279, 1280, 1480, 1776, 1920, 2220, 2368, 2558, 2960, 3552, 3837, 3840, 4440, 4736, 5116, 5920, 6395, 7104, 7674, 8880, 9472, 10232, 11840, 12790, 14208, 15348, 17760, 19185, 20464, 23680, 25580, 28416, 30696, 35520, 38370, 40928, 47323, 47360, 51160, 61392, 71040, 76740, 81856, 94646, 102320, 122784, 141969, 142080, 153480, 163712, 189292, 204640, 236615, 245568, 283938, 306960, 327424, 378584, 409280, 473230, 491136, 567876, 613920, 709845, 757168, 818560, 946460, 982272, 1135752, 1227840, 1419690, 1514336, 1637120, 1892920, 2271504, 2455680, 2839380, 3028672, 3785840, 4543008, 4911360, 5678760, 6057344, 7571680, 9086016, 11357520, 12114688, 15143360, 18172032, 22715040, 30286720, 36344064, 45430080, 60573440, 90860160, 181720320]

約数ペア:

[(1, 181720320), (2, 90860160), (3, 60573440), (4, 45430080), (5, 36344064), (6, 30286720), (8, 22715040), (10, 18172032), (12, 15143360), (15, 12114688), (16, 11357520), (20, 9086016), (24, 7571680), (30, 6057344), (32, 5678760), (37, 4911360), (40, 4543008), (48, 3785840), (60, 3028672), (64, 2839380), (74, 2455680), (80, 2271504), (96, 1892920), (111, 1637120), (120, 1514336), (128, 1419690), (148, 1227840), (160, 1135752), (185, 982272), (192, 946460), (222, 818560), (240, 757168), (256, 709845), (296, 613920), (320, 567876), (370, 491136), (384, 473230), (444, 409280), (480, 378584), (555, 327424), (592, 306960), (640, 283938), (740, 245568), (768, 236615), (888, 204640), (960, 189292), (1110, 163712), (1184, 153480), (1279, 142080), (1280, 141969), (1480, 122784), (1776, 102320), (1920, 94646), (2220, 81856), (2368, 76740), (2558, 71040), (2960, 61392), (3552, 51160), (3837, 47360), (3840, 47323), (4440, 40928), (4736, 38370), (5116, 35520), (5920, 30696), (6395, 28416), (7104, 25580), (7674, 23680), (8880, 20464), (9472, 19185), (10232, 17760), (11840, 15348), (12790, 14208)]