80511720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{670931}}^1$

素因数の和:670945

約数の個数: 32

約数和(自身を含む): 241535520

約数和(自身を除く): 161023800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 670931, 1341862, 2012793, 2683724, 3354655, 4025586, 5367448, 6709310, 8051172, 10063965, 13418620, 16102344, 20127930, 26837240, 40255860, 80511720]

約数ペア:

[(1, 80511720), (2, 40255860), (3, 26837240), (4, 20127930), (5, 16102344), (6, 13418620), (8, 10063965), (10, 8051172), (12, 6709310), (15, 5367448), (20, 4025586), (24, 3354655), (30, 2683724), (40, 2012793), (60, 1341862), (120, 670931)]