31411320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{261761}}^1$

素因数の和:261775

約数の個数: 32

約数和(自身を含む): 94234320

約数和(自身を除く): 62823000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 261761, 523522, 785283, 1047044, 1308805, 1570566, 2094088, 2617610, 3141132, 3926415, 5235220, 6282264, 7852830, 10470440, 15705660, 31411320]

約数ペア:

[(1, 31411320), (2, 15705660), (3, 10470440), (4, 7852830), (5, 6282264), (6, 5235220), (8, 3926415), (10, 3141132), (12, 2617610), (15, 2094088), (20, 1570566), (24, 1308805), (30, 1047044), (40, 785283), (60, 523522), (120, 261761)]