81289080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{647}}^1$

素因数の和:1013

約数の個数: 96

約数和(自身を含む): 265356000

約数和(自身を除く): 184066920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 349, 360, 647, 698, 1047, 1294, 1396, 1745, 1941, 2094, 2588, 2792, 3141, 3235, 3490, 3882, 4188, 5176, 5235, 5823, 6282, 6470, 6980, 7764, 8376, 9705, 10470, 11646, 12564, 12940, 13960, 15528, 15705, 19410, 20940, 23292, 25128, 25880, 29115, 31410, 38820, 41880, 46584, 58230, 62820, 77640, 116460, 125640, 225803, 232920, 451606, 677409, 903212, 1129015, 1354818, 1806424, 2032227, 2258030, 2709636, 3387045, 4064454, 4516060, 5419272, 6774090, 8128908, 9032120, 10161135, 13548180, 16257816, 20322270, 27096360, 40644540, 81289080]

約数ペア:

[(1, 81289080), (2, 40644540), (3, 27096360), (4, 20322270), (5, 16257816), (6, 13548180), (8, 10161135), (9, 9032120), (10, 8128908), (12, 6774090), (15, 5419272), (18, 4516060), (20, 4064454), (24, 3387045), (30, 2709636), (36, 2258030), (40, 2032227), (45, 1806424), (60, 1354818), (72, 1129015), (90, 903212), (120, 677409), (180, 451606), (349, 232920), (360, 225803), (647, 125640), (698, 116460), (1047, 77640), (1294, 62820), (1396, 58230), (1745, 46584), (1941, 41880), (2094, 38820), (2588, 31410), (2792, 29115), (3141, 25880), (3235, 25128), (3490, 23292), (3882, 20940), (4188, 19410), (5176, 15705), (5235, 15528), (5823, 13960), (6282, 12940), (6470, 12564), (6980, 11646), (7764, 10470), (8376, 9705)]