12280960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 30355200

約数和(自身を除く): 18074240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 619, 620, 640, 992, 1238, 1240, 1984, 2476, 2480, 3095, 3968, 4952, 4960, 6190, 9904, 9920, 12380, 19189, 19808, 19840, 24760, 38378, 39616, 49520, 76756, 79232, 95945, 99040, 153512, 191890, 198080, 307024, 383780, 396160, 614048, 767560, 1228096, 1535120, 2456192, 3070240, 6140480, 12280960]

約数ペア:

[(1, 12280960), (2, 6140480), (4, 3070240), (5, 2456192), (8, 1535120), (10, 1228096), (16, 767560), (20, 614048), (31, 396160), (32, 383780), (40, 307024), (62, 198080), (64, 191890), (80, 153512), (124, 99040), (128, 95945), (155, 79232), (160, 76756), (248, 49520), (310, 39616), (320, 38378), (496, 24760), (619, 19840), (620, 19808), (640, 19189), (992, 12380), (1238, 9920), (1240, 9904), (1984, 6190), (2476, 4960), (2480, 4952), (3095, 3968)]