81333030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1653

約数の個数: 64

約数和(自身を含む): 204871680

約数和(自身を除く): 123538650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 47, 74, 94, 111, 141, 185, 222, 235, 282, 370, 470, 555, 705, 1110, 1410, 1559, 1739, 3118, 3478, 4677, 5217, 7795, 8695, 9354, 10434, 15590, 17390, 23385, 26085, 46770, 52170, 57683, 73273, 115366, 146546, 173049, 219819, 288415, 346098, 366365, 439638, 576830, 732730, 865245, 1099095, 1730490, 2198190, 2711101, 5422202, 8133303, 13555505, 16266606, 27111010, 40666515, 81333030]

約数ペア:

[(1, 81333030), (2, 40666515), (3, 27111010), (5, 16266606), (6, 13555505), (10, 8133303), (15, 5422202), (30, 2711101), (37, 2198190), (47, 1730490), (74, 1099095), (94, 865245), (111, 732730), (141, 576830), (185, 439638), (222, 366365), (235, 346098), (282, 288415), (370, 219819), (470, 173049), (555, 146546), (705, 115366), (1110, 73273), (1410, 57683), (1559, 52170), (1739, 46770), (3118, 26085), (3478, 23385), (4677, 17390), (5217, 15590), (7795, 10434), (8695, 9354)]