320965072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 667814400

約数和(自身を除く): 346849328

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 101, 124, 149, 172, 202, 248, 298, 344, 404, 496, 596, 688, 808, 1192, 1333, 1616, 2384, 2666, 3131, 4343, 4619, 5332, 6262, 6407, 8686, 9238, 10664, 12524, 12814, 15049, 17372, 18476, 21328, 25048, 25628, 30098, 34744, 36952, 50096, 51256, 60196, 69488, 73904, 102512, 120392, 134633, 198617, 240784, 269266, 397234, 466519, 538532, 647107, 794468, 933038, 1077064, 1294214, 1588936, 1866076, 2154128, 2588428, 3177872, 3732152, 5176856, 7464304, 10353712, 20060317, 40120634, 80241268, 160482536, 320965072]

約数ペア:

[(1, 320965072), (2, 160482536), (4, 80241268), (8, 40120634), (16, 20060317), (31, 10353712), (43, 7464304), (62, 5176856), (86, 3732152), (101, 3177872), (124, 2588428), (149, 2154128), (172, 1866076), (202, 1588936), (248, 1294214), (298, 1077064), (344, 933038), (404, 794468), (496, 647107), (596, 538532), (688, 466519), (808, 397234), (1192, 269266), (1333, 240784), (1616, 198617), (2384, 134633), (2666, 120392), (3131, 102512), (4343, 73904), (4619, 69488), (5332, 60196), (6262, 51256), (6407, 50096), (8686, 36952), (9238, 34744), (10664, 30098), (12524, 25628), (12814, 25048), (15049, 21328), (17372, 18476)]