199517520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{831323}}^1$

素因数の和:831339

約数の個数: 40

約数和(自身を含む): 618505056

約数和(自身を除く): 418987536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 831323, 1662646, 2493969, 3325292, 4156615, 4987938, 6650584, 8313230, 9975876, 12469845, 13301168, 16626460, 19951752, 24939690, 33252920, 39903504, 49879380, 66505840, 99758760, 199517520]

約数ペア:

[(1, 199517520), (2, 99758760), (3, 66505840), (4, 49879380), (5, 39903504), (6, 33252920), (8, 24939690), (10, 19951752), (12, 16626460), (15, 13301168), (16, 12469845), (20, 9975876), (24, 8313230), (30, 6650584), (40, 4987938), (48, 4156615), (60, 3325292), (80, 2493969), (120, 1662646), (240, 831323)]