31409520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{130873}}^1$

素因数の和:130889

約数の個数: 40

約数和(自身を含む): 97370256

約数和(自身を除く): 65960736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 130873, 261746, 392619, 523492, 654365, 785238, 1046984, 1308730, 1570476, 1963095, 2093968, 2617460, 3140952, 3926190, 5234920, 6281904, 7852380, 10469840, 15704760, 31409520]

約数ペア:

[(1, 31409520), (2, 15704760), (3, 10469840), (4, 7852380), (5, 6281904), (6, 5234920), (8, 3926190), (10, 3140952), (12, 2617460), (15, 2093968), (16, 1963095), (20, 1570476), (24, 1308730), (30, 1046984), (40, 785238), (48, 654365), (60, 523492), (80, 392619), (120, 261746), (240, 130873)]