30689520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127873}}^1$

素因数の和:127889

約数の個数: 40

約数和(自身を含む): 95138256

約数和(自身を除く): 64448736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 127873, 255746, 383619, 511492, 639365, 767238, 1022984, 1278730, 1534476, 1918095, 2045968, 2557460, 3068952, 3836190, 5114920, 6137904, 7672380, 10229840, 15344760, 30689520]

約数ペア:

[(1, 30689520), (2, 15344760), (3, 10229840), (4, 7672380), (5, 6137904), (6, 5114920), (8, 3836190), (10, 3068952), (12, 2557460), (15, 2045968), (16, 1918095), (20, 1534476), (24, 1278730), (30, 1022984), (40, 767238), (48, 639365), (60, 511492), (80, 383619), (120, 255746), (240, 127873)]