81239970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8231}}^1$

素因数の和:8295

約数の個数: 64

約数和(自身を含む): 227598336

約数和(自身を除く): 146358366

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 3290, 4935, 8231, 9870, 16462, 24693, 41155, 49386, 57617, 82310, 115234, 123465, 172851, 246930, 288085, 345702, 386857, 576170, 773714, 864255, 1160571, 1728510, 1934285, 2321142, 2707999, 3868570, 5415998, 5802855, 8123997, 11605710, 13539995, 16247994, 27079990, 40619985, 81239970]

約数ペア:

[(1, 81239970), (2, 40619985), (3, 27079990), (5, 16247994), (6, 13539995), (7, 11605710), (10, 8123997), (14, 5802855), (15, 5415998), (21, 3868570), (30, 2707999), (35, 2321142), (42, 1934285), (47, 1728510), (70, 1160571), (94, 864255), (105, 773714), (141, 576170), (210, 386857), (235, 345702), (282, 288085), (329, 246930), (470, 172851), (658, 123465), (705, 115234), (987, 82310), (1410, 57617), (1645, 49386), (1974, 41155), (3290, 24693), (4935, 16462), (8231, 9870)]