291113520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1212973}}^1$

素因数の和:1212989

約数の個数: 40

約数和(自身を含む): 902452656

約数和(自身を除く): 611339136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1212973, 2425946, 3638919, 4851892, 6064865, 7277838, 9703784, 12129730, 14555676, 18194595, 19407568, 24259460, 29111352, 36389190, 48518920, 58222704, 72778380, 97037840, 145556760, 291113520]

約数ペア:

[(1, 291113520), (2, 145556760), (3, 97037840), (4, 72778380), (5, 58222704), (6, 48518920), (8, 36389190), (10, 29111352), (12, 24259460), (15, 19407568), (16, 18194595), (20, 14555676), (24, 12129730), (30, 9703784), (40, 7277838), (48, 6064865), (60, 4851892), (80, 3638919), (120, 2425946), (240, 1212973)]