16221300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 47392800

約数和(自身を除く): 31171500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 139, 150, 278, 300, 389, 417, 556, 695, 778, 834, 1167, 1390, 1556, 1668, 1945, 2085, 2334, 2780, 3475, 3890, 4170, 4668, 5835, 6950, 7780, 8340, 9725, 10425, 11670, 13900, 19450, 20850, 23340, 29175, 38900, 41700, 54071, 58350, 108142, 116700, 162213, 216284, 270355, 324426, 540710, 648852, 811065, 1081420, 1351775, 1622130, 2703550, 3244260, 4055325, 5407100, 8110650, 16221300]

約数ペア:

[(1, 16221300), (2, 8110650), (3, 5407100), (4, 4055325), (5, 3244260), (6, 2703550), (10, 1622130), (12, 1351775), (15, 1081420), (20, 811065), (25, 648852), (30, 540710), (50, 324426), (60, 270355), (75, 216284), (100, 162213), (139, 116700), (150, 108142), (278, 58350), (300, 54071), (389, 41700), (417, 38900), (556, 29175), (695, 23340), (778, 20850), (834, 19450), (1167, 13900), (1390, 11670), (1556, 10425), (1668, 9725), (1945, 8340), (2085, 7780), (2334, 6950), (2780, 5835), (3475, 4668), (3890, 4170)]