12340480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 30610944

約数和(自身を除く): 18270464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 311, 320, 496, 620, 622, 640, 992, 1240, 1244, 1280, 1555, 1984, 2480, 2488, 3110, 3968, 4960, 4976, 6220, 7936, 9641, 9920, 9952, 12440, 19282, 19840, 19904, 24880, 38564, 39680, 39808, 48205, 49760, 77128, 79616, 96410, 99520, 154256, 192820, 199040, 308512, 385640, 398080, 617024, 771280, 1234048, 1542560, 2468096, 3085120, 6170240, 12340480]

約数ペア:

[(1, 12340480), (2, 6170240), (4, 3085120), (5, 2468096), (8, 1542560), (10, 1234048), (16, 771280), (20, 617024), (31, 398080), (32, 385640), (40, 308512), (62, 199040), (64, 192820), (80, 154256), (124, 99520), (128, 96410), (155, 79616), (160, 77128), (248, 49760), (256, 48205), (310, 39808), (311, 39680), (320, 38564), (496, 24880), (620, 19904), (622, 19840), (640, 19282), (992, 12440), (1240, 9952), (1244, 9920), (1280, 9641), (1555, 7936), (1984, 6220), (2480, 4976), (2488, 4960), (3110, 3968)]