131566720

素因数分解:

$2^7\times 5^1\times {\mathrm{241}}^1\times {\mathrm{853}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 316202040

約数和(自身を除く): 184635320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 320, 482, 640, 853, 964, 1205, 1706, 1928, 2410, 3412, 3856, 4265, 4820, 6824, 7712, 8530, 9640, 13648, 15424, 17060, 19280, 27296, 30848, 34120, 38560, 54592, 68240, 77120, 109184, 136480, 154240, 205573, 272960, 411146, 545920, 822292, 1027865, 1644584, 2055730, 3289168, 4111460, 6578336, 8222920, 13156672, 16445840, 26313344, 32891680, 65783360, 131566720]

約数ペア:

[(1, 131566720), (2, 65783360), (4, 32891680), (5, 26313344), (8, 16445840), (10, 13156672), (16, 8222920), (20, 6578336), (32, 4111460), (40, 3289168), (64, 2055730), (80, 1644584), (128, 1027865), (160, 822292), (241, 545920), (320, 411146), (482, 272960), (640, 205573), (853, 154240), (964, 136480), (1205, 109184), (1706, 77120), (1928, 68240), (2410, 54592), (3412, 38560), (3856, 34120), (4265, 30848), (4820, 27296), (6824, 19280), (7712, 17060), (8530, 15424), (9640, 13648)]