81291690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 224752320

約数和(自身を除く): 143460630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 137, 171, 190, 274, 285, 342, 347, 411, 570, 685, 694, 822, 855, 1041, 1233, 1370, 1710, 1735, 2055, 2082, 2466, 2603, 3123, 3470, 4110, 5205, 5206, 6165, 6246, 6593, 7809, 10410, 12330, 13015, 13186, 15615, 15618, 19779, 23427, 26030, 31230, 32965, 39045, 39558, 46854, 47539, 59337, 65930, 78090, 95078, 98895, 117135, 118674, 142617, 197790, 234270, 237695, 285234, 296685, 427851, 475390, 593370, 713085, 855702, 903241, 1426170, 1806482, 2139255, 2709723, 4278510, 4516205, 5419446, 8129169, 9032410, 13548615, 16258338, 27097230, 40645845, 81291690]

約数ペア:

[(1, 81291690), (2, 40645845), (3, 27097230), (5, 16258338), (6, 13548615), (9, 9032410), (10, 8129169), (15, 5419446), (18, 4516205), (19, 4278510), (30, 2709723), (38, 2139255), (45, 1806482), (57, 1426170), (90, 903241), (95, 855702), (114, 713085), (137, 593370), (171, 475390), (190, 427851), (274, 296685), (285, 285234), (342, 237695), (347, 234270), (411, 197790), (570, 142617), (685, 118674), (694, 117135), (822, 98895), (855, 95078), (1041, 78090), (1233, 65930), (1370, 59337), (1710, 47539), (1735, 46854), (2055, 39558), (2082, 39045), (2466, 32965), (2603, 31230), (3123, 26030), (3470, 23427), (4110, 19779), (5205, 15618), (5206, 15615), (6165, 13186), (6246, 13015), (6593, 12330), (7809, 10410)]