321640128

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18013}}^1$

素因数の和:18062

約数の個数: 84

約数和(自身を含む): 951715648

約数和(自身を除く): 630075520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 144, 186, 192, 248, 279, 288, 372, 496, 558, 576, 744, 992, 1116, 1488, 1984, 2232, 2976, 4464, 5952, 8928, 17856, 18013, 36026, 54039, 72052, 108078, 144104, 162117, 216156, 288208, 324234, 432312, 558403, 576416, 648468, 864624, 1116806, 1152832, 1296936, 1675209, 1729248, 2233612, 2593872, 3350418, 3458496, 4467224, 5025627, 5187744, 6700836, 8934448, 10051254, 10375488, 13401672, 17868896, 20102508, 26803344, 35737792, 40205016, 53606688, 80410032, 107213376, 160820064, 321640128]

約数ペア:

[(1, 321640128), (2, 160820064), (3, 107213376), (4, 80410032), (6, 53606688), (8, 40205016), (9, 35737792), (12, 26803344), (16, 20102508), (18, 17868896), (24, 13401672), (31, 10375488), (32, 10051254), (36, 8934448), (48, 6700836), (62, 5187744), (64, 5025627), (72, 4467224), (93, 3458496), (96, 3350418), (124, 2593872), (144, 2233612), (186, 1729248), (192, 1675209), (248, 1296936), (279, 1152832), (288, 1116806), (372, 864624), (496, 648468), (558, 576416), (576, 558403), (744, 432312), (992, 324234), (1116, 288208), (1488, 216156), (1984, 162117), (2232, 144104), (2976, 108078), (4464, 72052), (5952, 54039), (8928, 36026), (17856, 18013)]