About the Number

81490752

81490751 ← → 81490753

2進数表記:100110110110111001101000000

漢数字表記:八千百四十九万七百五十二

素因数分解:

2 6 × 3 3 × 7 1 × 6737 1

素因数の和:6765
約数の個数: 112
約数和(自身を含む): 273832320
約数和(自身を除く): 192341568

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1728, 2016, 3024, 4032, 6048, 6737, 12096, 13474, 20211, 26948, 40422, 47159, 53896, 60633, 80844, 94318, 107792, 121266, 141477, 161688, 181899, 188636, 215584, 242532, 282954, 323376, 363798, 377272, 424431, 431168, 485064, 565908, 646752, 727596, 754544, 848862, 970128, 1131816, 1273293, 1293504, 1455192, 1509088, 1697724, 1940256, 2263632, 2546586, 2910384, 3018176, 3395448, 3880512, 4527264, 5093172, 5820768, 6790896, 9054528, 10186344, 11641536, 13581792, 20372688, 27163584, 40745376, 81490752]

約数ペア:
[(1, 81490752), (2, 40745376), (3, 27163584), (4, 20372688), (6, 13581792), (7, 11641536), (8, 10186344), (9, 9054528), (12, 6790896), (14, 5820768), (16, 5093172), (18, 4527264), (21, 3880512), (24, 3395448), (27, 3018176), (28, 2910384), (32, 2546586), (36, 2263632), (42, 1940256), (48, 1697724), (54, 1509088), (56, 1455192), (63, 1293504), (64, 1273293), (72, 1131816), (84, 970128), (96, 848862), (108, 754544), (112, 727596), (126, 646752), (144, 565908), (168, 485064), (189, 431168), (192, 424431), (216, 377272), (224, 363798), (252, 323376), (288, 282954), (336, 242532), (378, 215584), (432, 188636), (448, 181899), (504, 161688), (576, 141477), (672, 121266), (756, 107792), (864, 94318), (1008, 80844), (1344, 60633), (1512, 53896), (1728, 47159), (2016, 40422), (3024, 26948), (4032, 20211), (6048, 13474), (6737, 12096)]

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