61081320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1181}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 183824640

約数和(自身を除く): 122743320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1181, 1293, 1724, 2155, 2362, 2586, 3448, 3543, 4310, 4724, 5172, 5905, 6465, 7086, 8620, 9448, 10344, 11810, 12930, 14172, 17240, 17715, 23620, 25860, 28344, 35430, 47240, 51720, 70860, 141720, 509011, 1018022, 1527033, 2036044, 2545055, 3054066, 4072088, 5090110, 6108132, 7635165, 10180220, 12216264, 15270330, 20360440, 30540660, 61081320]

約数ペア:

[(1, 61081320), (2, 30540660), (3, 20360440), (4, 15270330), (5, 12216264), (6, 10180220), (8, 7635165), (10, 6108132), (12, 5090110), (15, 4072088), (20, 3054066), (24, 2545055), (30, 2036044), (40, 1527033), (60, 1018022), (120, 509011), (431, 141720), (862, 70860), (1181, 51720), (1293, 47240), (1724, 35430), (2155, 28344), (2362, 25860), (2586, 23620), (3448, 17715), (3543, 17240), (4310, 14172), (4724, 12930), (5172, 11810), (5905, 10344), (6465, 9448), (7086, 8620)]