81529280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2141}}^1$

素因数の和:2182

約数の個数: 112

約数和(自身を含む): 235037376

約数和(自身を除く): 153508096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 952, 1088, 1120, 1190, 1360, 1904, 2141, 2240, 2380, 2720, 3808, 4282, 4760, 5440, 7616, 8564, 9520, 10705, 14987, 17128, 19040, 21410, 29974, 34256, 36397, 38080, 42820, 59948, 68512, 72794, 74935, 85640, 119896, 137024, 145588, 149870, 171280, 181985, 239792, 254779, 291176, 299740, 342560, 363970, 479584, 509558, 582352, 599480, 685120, 727940, 959168, 1019116, 1164704, 1198960, 1273895, 1455880, 2038232, 2329408, 2397920, 2547790, 2911760, 4076464, 4795840, 5095580, 5823520, 8152928, 10191160, 11647040, 16305856, 20382320, 40764640, 81529280]

約数ペア:

[(1, 81529280), (2, 40764640), (4, 20382320), (5, 16305856), (7, 11647040), (8, 10191160), (10, 8152928), (14, 5823520), (16, 5095580), (17, 4795840), (20, 4076464), (28, 2911760), (32, 2547790), (34, 2397920), (35, 2329408), (40, 2038232), (56, 1455880), (64, 1273895), (68, 1198960), (70, 1164704), (80, 1019116), (85, 959168), (112, 727940), (119, 685120), (136, 599480), (140, 582352), (160, 509558), (170, 479584), (224, 363970), (238, 342560), (272, 299740), (280, 291176), (320, 254779), (340, 239792), (448, 181985), (476, 171280), (544, 149870), (560, 145588), (595, 137024), (680, 119896), (952, 85640), (1088, 74935), (1120, 72794), (1190, 68512), (1360, 59948), (1904, 42820), (2141, 38080), (2240, 36397), (2380, 34256), (2720, 29974), (3808, 21410), (4282, 19040), (4760, 17128), (5440, 14987), (7616, 10705), (8564, 9520)]