210515280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1327}}^1$

素因数の和:2004

約数の個数: 80

約数和(自身を含む): 654077184

約数和(自身を除く): 443561904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 1322, 1327, 1983, 2644, 2654, 3305, 3966, 3981, 5288, 5308, 6610, 6635, 7932, 7962, 9915, 10576, 10616, 13220, 13270, 15864, 15924, 19830, 19905, 21232, 26440, 26540, 31728, 31848, 39660, 39810, 52880, 53080, 63696, 79320, 79620, 106160, 158640, 159240, 318480, 877147, 1754294, 2631441, 3508588, 4385735, 5262882, 7017176, 8771470, 10525764, 13157205, 14034352, 17542940, 21051528, 26314410, 35085880, 42103056, 52628820, 70171760, 105257640, 210515280]

約数ペア:

[(1, 210515280), (2, 105257640), (3, 70171760), (4, 52628820), (5, 42103056), (6, 35085880), (8, 26314410), (10, 21051528), (12, 17542940), (15, 14034352), (16, 13157205), (20, 10525764), (24, 8771470), (30, 7017176), (40, 5262882), (48, 4385735), (60, 3508588), (80, 2631441), (120, 1754294), (240, 877147), (661, 318480), (1322, 159240), (1327, 158640), (1983, 106160), (2644, 79620), (2654, 79320), (3305, 63696), (3966, 53080), (3981, 52880), (5288, 39810), (5308, 39660), (6610, 31848), (6635, 31728), (7932, 26540), (7962, 26440), (9915, 21232), (10576, 19905), (10616, 19830), (13220, 15924), (13270, 15864)]