12258560

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 30034536

約数和(自身を除く): 17775976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 157, 160, 244, 256, 305, 314, 320, 488, 610, 628, 640, 785, 976, 1220, 1256, 1280, 1570, 1952, 2440, 2512, 3140, 3904, 4880, 5024, 6280, 7808, 9577, 9760, 10048, 12560, 15616, 19154, 19520, 20096, 25120, 38308, 39040, 40192, 47885, 50240, 76616, 78080, 95770, 100480, 153232, 191540, 200960, 306464, 383080, 612928, 766160, 1225856, 1532320, 2451712, 3064640, 6129280, 12258560]

約数ペア:

[(1, 12258560), (2, 6129280), (4, 3064640), (5, 2451712), (8, 1532320), (10, 1225856), (16, 766160), (20, 612928), (32, 383080), (40, 306464), (61, 200960), (64, 191540), (80, 153232), (122, 100480), (128, 95770), (157, 78080), (160, 76616), (244, 50240), (256, 47885), (305, 40192), (314, 39040), (320, 38308), (488, 25120), (610, 20096), (628, 19520), (640, 19154), (785, 15616), (976, 12560), (1220, 10048), (1256, 9760), (1280, 9577), (1570, 7808), (1952, 6280), (2440, 5024), (2512, 4880), (3140, 3904)]