81645624

素因数分解:

$2^3\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1979}}^1$

素因数の和:2185

約数の個数: 64

約数和(自身を含む): 228096000

約数和(自身を除く): 146450376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 191, 216, 382, 573, 764, 1146, 1528, 1719, 1979, 2292, 3438, 3958, 4584, 5157, 5937, 6876, 7916, 10314, 11874, 13752, 15832, 17811, 20628, 23748, 35622, 41256, 47496, 53433, 71244, 106866, 142488, 213732, 377989, 427464, 755978, 1133967, 1511956, 2267934, 3023912, 3401901, 4535868, 6803802, 9071736, 10205703, 13607604, 20411406, 27215208, 40822812, 81645624]

約数ペア:

[(1, 81645624), (2, 40822812), (3, 27215208), (4, 20411406), (6, 13607604), (8, 10205703), (9, 9071736), (12, 6803802), (18, 4535868), (24, 3401901), (27, 3023912), (36, 2267934), (54, 1511956), (72, 1133967), (108, 755978), (191, 427464), (216, 377989), (382, 213732), (573, 142488), (764, 106866), (1146, 71244), (1528, 53433), (1719, 47496), (1979, 41256), (2292, 35622), (3438, 23748), (3958, 20628), (4584, 17811), (5157, 15832), (5937, 13752), (6876, 11874), (7916, 10314)]