156221280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:869

約数の個数: 144

約数和(自身を含む): 537277104

約数和(自身を除く): 381055824

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, 72, 80, 90, 96, 120, 144, 157, 160, 180, 240, 288, 314, 360, 471, 480, 628, 691, 720, 785, 942, 1256, 1382, 1413, 1440, 1570, 1884, 2073, 2355, 2512, 2764, 2826, 3140, 3455, 3768, 4146, 4710, 5024, 5528, 5652, 6219, 6280, 6910, 7065, 7536, 8292, 9420, 10365, 11056, 11304, 12438, 12560, 13820, 14130, 15072, 16584, 18840, 20730, 22112, 22608, 24876, 25120, 27640, 28260, 31095, 33168, 37680, 41460, 45216, 49752, 55280, 56520, 62190, 66336, 75360, 82920, 99504, 108487, 110560, 113040, 124380, 165840, 199008, 216974, 226080, 248760, 325461, 331680, 433948, 497520, 542435, 650922, 867896, 976383, 995040, 1084870, 1301844, 1627305, 1735792, 1952766, 2169740, 2603688, 3254610, 3471584, 3905532, 4339480, 4881915, 5207376, 6509220, 7811064, 8678960, 9763830, 10414752, 13018440, 15622128, 17357920, 19527660, 26036880, 31244256, 39055320, 52073760, 78110640, 156221280]

約数ペア:

[(1, 156221280), (2, 78110640), (3, 52073760), (4, 39055320), (5, 31244256), (6, 26036880), (8, 19527660), (9, 17357920), (10, 15622128), (12, 13018440), (15, 10414752), (16, 9763830), (18, 8678960), (20, 7811064), (24, 6509220), (30, 5207376), (32, 4881915), (36, 4339480), (40, 3905532), (45, 3471584), (48, 3254610), (60, 2603688), (72, 2169740), (80, 1952766), (90, 1735792), (96, 1627305), (120, 1301844), (144, 1084870), (157, 995040), (160, 976383), (180, 867896), (240, 650922), (288, 542435), (314, 497520), (360, 433948), (471, 331680), (480, 325461), (628, 248760), (691, 226080), (720, 216974), (785, 199008), (942, 165840), (1256, 124380), (1382, 113040), (1413, 110560), (1440, 108487), (1570, 99504), (1884, 82920), (2073, 75360), (2355, 66336), (2512, 62190), (2764, 56520), (2826, 55280), (3140, 49752), (3455, 45216), (3768, 41460), (4146, 37680), (4710, 33168), (5024, 31095), (5528, 28260), (5652, 27640), (6219, 25120), (6280, 24876), (6910, 22608), (7065, 22112), (7536, 20730), (8292, 18840), (9420, 16584), (10365, 15072), (11056, 14130), (11304, 13820), (12438, 12560)]