81938160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:695

約数の個数: 120

約数和(自身を含む): 276812640

約数和(自身を除く): 194874480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 317, 359, 360, 634, 718, 720, 951, 1077, 1268, 1436, 1585, 1795, 1902, 2154, 2536, 2853, 2872, 3170, 3231, 3590, 3804, 4308, 4755, 5072, 5385, 5706, 5744, 6340, 6462, 7180, 7608, 8616, 9510, 10770, 11412, 12680, 12924, 14265, 14360, 15216, 16155, 17232, 19020, 21540, 22824, 25360, 25848, 28530, 28720, 32310, 38040, 43080, 45648, 51696, 57060, 64620, 76080, 86160, 113803, 114120, 129240, 227606, 228240, 258480, 341409, 455212, 569015, 682818, 910424, 1024227, 1138030, 1365636, 1707045, 1820848, 2048454, 2276060, 2731272, 3414090, 4096908, 4552120, 5121135, 5462544, 6828180, 8193816, 9104240, 10242270, 13656360, 16387632, 20484540, 27312720, 40969080, 81938160]

約数ペア:

[(1, 81938160), (2, 40969080), (3, 27312720), (4, 20484540), (5, 16387632), (6, 13656360), (8, 10242270), (9, 9104240), (10, 8193816), (12, 6828180), (15, 5462544), (16, 5121135), (18, 4552120), (20, 4096908), (24, 3414090), (30, 2731272), (36, 2276060), (40, 2048454), (45, 1820848), (48, 1707045), (60, 1365636), (72, 1138030), (80, 1024227), (90, 910424), (120, 682818), (144, 569015), (180, 455212), (240, 341409), (317, 258480), (359, 228240), (360, 227606), (634, 129240), (718, 114120), (720, 113803), (951, 86160), (1077, 76080), (1268, 64620), (1436, 57060), (1585, 51696), (1795, 45648), (1902, 43080), (2154, 38040), (2536, 32310), (2853, 28720), (2872, 28530), (3170, 25848), (3231, 25360), (3590, 22824), (3804, 21540), (4308, 19020), (4755, 17232), (5072, 16155), (5385, 15216), (5706, 14360), (5744, 14265), (6340, 12924), (6462, 12680), (7180, 11412), (7608, 10770), (8616, 9510)]