155730640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1093}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 393131088

約数和(自身を除く): 237400448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 685, 1040, 1093, 1096, 1370, 1781, 2186, 2192, 2740, 3562, 4372, 5465, 5480, 7124, 8744, 8905, 10930, 10960, 14209, 14248, 17488, 17810, 21860, 28418, 28496, 35620, 43720, 56836, 71045, 71240, 87440, 113672, 142090, 142480, 149741, 227344, 284180, 299482, 568360, 598964, 748705, 1136720, 1197928, 1497410, 1946633, 2395856, 2994820, 3893266, 5989640, 7786532, 9733165, 11979280, 15573064, 19466330, 31146128, 38932660, 77865320, 155730640]

約数ペア:

[(1, 155730640), (2, 77865320), (4, 38932660), (5, 31146128), (8, 19466330), (10, 15573064), (13, 11979280), (16, 9733165), (20, 7786532), (26, 5989640), (40, 3893266), (52, 2994820), (65, 2395856), (80, 1946633), (104, 1497410), (130, 1197928), (137, 1136720), (208, 748705), (260, 598964), (274, 568360), (520, 299482), (548, 284180), (685, 227344), (1040, 149741), (1093, 142480), (1096, 142090), (1370, 113672), (1781, 87440), (2186, 71240), (2192, 71045), (2740, 56836), (3562, 43720), (4372, 35620), (5465, 28496), (5480, 28418), (7124, 21860), (8744, 17810), (8905, 17488), (10930, 14248), (10960, 14209)]