165694040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 380540160

約数和(自身を除く): 214846120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 131, 206, 262, 307, 412, 515, 524, 614, 655, 824, 1030, 1048, 1228, 1310, 1535, 2060, 2456, 2620, 3070, 4120, 5240, 6140, 12280, 13493, 26986, 31621, 40217, 53972, 63242, 67465, 80434, 107944, 126484, 134930, 158105, 160868, 201085, 252968, 269860, 316210, 321736, 402170, 539720, 632420, 804340, 1264840, 1608680, 4142351, 8284702, 16569404, 20711755, 33138808, 41423510, 82847020, 165694040]

約数ペア:

[(1, 165694040), (2, 82847020), (4, 41423510), (5, 33138808), (8, 20711755), (10, 16569404), (20, 8284702), (40, 4142351), (103, 1608680), (131, 1264840), (206, 804340), (262, 632420), (307, 539720), (412, 402170), (515, 321736), (524, 316210), (614, 269860), (655, 252968), (824, 201085), (1030, 160868), (1048, 158105), (1228, 134930), (1310, 126484), (1535, 107944), (2060, 80434), (2456, 67465), (2620, 63242), (3070, 53972), (4120, 40217), (5240, 31621), (6140, 26986), (12280, 13493)]