81861696

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 168

約数和(自身を含む): 272613120

約数和(自身を除く): 190751424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 79, 84, 96, 112, 126, 144, 158, 168, 192, 224, 237, 252, 257, 288, 316, 336, 448, 474, 504, 514, 553, 576, 632, 672, 711, 771, 948, 1008, 1028, 1106, 1264, 1344, 1422, 1542, 1659, 1799, 1896, 2016, 2056, 2212, 2313, 2528, 2844, 3084, 3318, 3598, 3792, 4032, 4112, 4424, 4626, 4977, 5056, 5397, 5688, 6168, 6636, 7196, 7584, 8224, 8848, 9252, 9954, 10794, 11376, 12336, 13272, 14392, 15168, 16191, 16448, 17696, 18504, 19908, 20303, 21588, 22752, 24672, 26544, 28784, 32382, 35392, 37008, 39816, 40606, 43176, 45504, 49344, 53088, 57568, 60909, 64764, 74016, 79632, 81212, 86352, 106176, 115136, 121818, 129528, 142121, 148032, 159264, 162424, 172704, 182727, 243636, 259056, 284242, 318528, 324848, 345408, 365454, 426363, 487272, 518112, 568484, 649696, 730908, 852726, 974544, 1036224, 1136968, 1279089, 1299392, 1461816, 1705452, 1949088, 2273936, 2558178, 2923632, 3410904, 3898176, 4547872, 5116356, 5847264, 6821808, 9095744, 10232712, 11694528, 13643616, 20465424, 27287232, 40930848, 81861696]

約数ペア:

[(1, 81861696), (2, 40930848), (3, 27287232), (4, 20465424), (6, 13643616), (7, 11694528), (8, 10232712), (9, 9095744), (12, 6821808), (14, 5847264), (16, 5116356), (18, 4547872), (21, 3898176), (24, 3410904), (28, 2923632), (32, 2558178), (36, 2273936), (42, 1949088), (48, 1705452), (56, 1461816), (63, 1299392), (64, 1279089), (72, 1136968), (79, 1036224), (84, 974544), (96, 852726), (112, 730908), (126, 649696), (144, 568484), (158, 518112), (168, 487272), (192, 426363), (224, 365454), (237, 345408), (252, 324848), (257, 318528), (288, 284242), (316, 259056), (336, 243636), (448, 182727), (474, 172704), (504, 162424), (514, 159264), (553, 148032), (576, 142121), (632, 129528), (672, 121818), (711, 115136), (771, 106176), (948, 86352), (1008, 81212), (1028, 79632), (1106, 74016), (1264, 64764), (1344, 60909), (1422, 57568), (1542, 53088), (1659, 49344), (1799, 45504), (1896, 43176), (2016, 40606), (2056, 39816), (2212, 37008), (2313, 35392), (2528, 32382), (2844, 28784), (3084, 26544), (3318, 24672), (3598, 22752), (3792, 21588), (4032, 20303), (4112, 19908), (4424, 18504), (4626, 17696), (4977, 16448), (5056, 16191), (5397, 15168), (5688, 14392), (6168, 13272), (6636, 12336), (7196, 11376), (7584, 10794), (8224, 9954), (8848, 9252)]