156836480

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 395841600

約数和(自身を除く): 239005120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 64, 80, 82, 86, 128, 139, 160, 164, 172, 205, 215, 278, 320, 328, 344, 410, 430, 556, 640, 656, 688, 695, 820, 860, 1112, 1312, 1376, 1390, 1640, 1720, 1763, 2224, 2624, 2752, 2780, 3280, 3440, 3526, 4448, 5248, 5504, 5560, 5699, 5977, 6560, 6880, 7052, 8815, 8896, 11120, 11398, 11954, 13120, 13760, 14104, 17630, 17792, 22240, 22796, 23908, 26240, 27520, 28208, 28495, 29885, 35260, 44480, 45592, 47816, 56416, 56990, 59770, 70520, 88960, 91184, 95632, 112832, 113980, 119540, 141040, 182368, 191264, 225664, 227960, 239080, 245057, 282080, 364736, 382528, 455920, 478160, 490114, 564160, 729472, 765056, 911840, 956320, 980228, 1128320, 1225285, 1823680, 1912640, 1960456, 2450570, 3647360, 3825280, 3920912, 4901140, 7841824, 9802280, 15683648, 19604560, 31367296, 39209120, 78418240, 156836480]

約数ペア:

[(1, 156836480), (2, 78418240), (4, 39209120), (5, 31367296), (8, 19604560), (10, 15683648), (16, 9802280), (20, 7841824), (32, 4901140), (40, 3920912), (41, 3825280), (43, 3647360), (64, 2450570), (80, 1960456), (82, 1912640), (86, 1823680), (128, 1225285), (139, 1128320), (160, 980228), (164, 956320), (172, 911840), (205, 765056), (215, 729472), (278, 564160), (320, 490114), (328, 478160), (344, 455920), (410, 382528), (430, 364736), (556, 282080), (640, 245057), (656, 239080), (688, 227960), (695, 225664), (820, 191264), (860, 182368), (1112, 141040), (1312, 119540), (1376, 113980), (1390, 112832), (1640, 95632), (1720, 91184), (1763, 88960), (2224, 70520), (2624, 59770), (2752, 56990), (2780, 56416), (3280, 47816), (3440, 45592), (3526, 44480), (4448, 35260), (5248, 29885), (5504, 28495), (5560, 28208), (5699, 27520), (5977, 26240), (6560, 23908), (6880, 22796), (7052, 22240), (8815, 17792), (8896, 17630), (11120, 14104), (11398, 13760), (11954, 13120)]