12580480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1787}}^1$

素因数の和:1817

約数の個数: 64

約数和(自身を含む): 32827680

約数和(自身を除く): 20247200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 1787, 3520, 3574, 7040, 7148, 8935, 14296, 17870, 19657, 28592, 35740, 39314, 57184, 71480, 78628, 98285, 114368, 142960, 157256, 196570, 228736, 285920, 314512, 393140, 571840, 629024, 786280, 1143680, 1258048, 1572560, 2516096, 3145120, 6290240, 12580480]

約数ペア:

[(1, 12580480), (2, 6290240), (4, 3145120), (5, 2516096), (8, 1572560), (10, 1258048), (11, 1143680), (16, 786280), (20, 629024), (22, 571840), (32, 393140), (40, 314512), (44, 285920), (55, 228736), (64, 196570), (80, 157256), (88, 142960), (110, 114368), (128, 98285), (160, 78628), (176, 71480), (220, 57184), (320, 39314), (352, 35740), (440, 28592), (640, 19657), (704, 17870), (880, 14296), (1408, 8935), (1760, 7148), (1787, 7040), (3520, 3574)]