81981930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1433}}^1\times {\mathrm{1907}}^1$

素因数の和:3350

約数の個数: 32

約数和(自身を含む): 196997184

約数和(自身を除く): 115015254

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1433, 1907, 2866, 3814, 4299, 5721, 7165, 8598, 9535, 11442, 14330, 19070, 21495, 28605, 42990, 57210, 2732731, 5465462, 8198193, 13663655, 16396386, 27327310, 40990965, 81981930]

約数ペア:

[(1, 81981930), (2, 40990965), (3, 27327310), (5, 16396386), (6, 13663655), (10, 8198193), (15, 5465462), (30, 2732731), (1433, 57210), (1907, 42990), (2866, 28605), (3814, 21495), (4299, 19070), (5721, 14330), (7165, 11442), (8598, 9535)]