28729600

素因数分解:

$2^8\times 5^2\times {\mathrm{67}}^2$

素因数の和:160

約数の個数: 81

約数和(自身を含む): 72187437

約数和(自身を除く): 43457837

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 128, 134, 160, 200, 256, 268, 320, 335, 400, 536, 640, 670, 800, 1072, 1280, 1340, 1600, 1675, 2144, 2680, 3200, 3350, 4288, 4489, 5360, 6400, 6700, 8576, 8978, 10720, 13400, 17152, 17956, 21440, 22445, 26800, 35912, 42880, 44890, 53600, 71824, 85760, 89780, 107200, 112225, 143648, 179560, 214400, 224450, 287296, 359120, 428800, 448900, 574592, 718240, 897800, 1149184, 1436480, 1795600, 2872960, 3591200, 5745920, 7182400, 14364800, 28729600]

約数ペア:

[(1, 28729600), (2, 14364800), (4, 7182400), (5, 5745920), (8, 3591200), (10, 2872960), (16, 1795600), (20, 1436480), (25, 1149184), (32, 897800), (40, 718240), (50, 574592), (64, 448900), (67, 428800), (80, 359120), (100, 287296), (128, 224450), (134, 214400), (160, 179560), (200, 143648), (256, 112225), (268, 107200), (320, 89780), (335, 85760), (400, 71824), (536, 53600), (640, 44890), (670, 42880), (800, 35912), (1072, 26800), (1280, 22445), (1340, 21440), (1600, 17956), (1675, 17152), (2144, 13400), (2680, 10720), (3200, 8978), (3350, 8576), (4288, 6700), (4489, 6400)]