69341440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 194261760

約数和(自身を除く): 124920320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 109, 112, 128, 140, 142, 160, 218, 224, 256, 280, 284, 320, 355, 436, 448, 497, 545, 560, 568, 640, 710, 763, 872, 896, 994, 1090, 1120, 1136, 1280, 1420, 1526, 1744, 1792, 1988, 2180, 2240, 2272, 2485, 2840, 3052, 3488, 3815, 3976, 4360, 4480, 4544, 4970, 5680, 6104, 6976, 7630, 7739, 7952, 8720, 8960, 9088, 9940, 11360, 12208, 13952, 15260, 15478, 15904, 17440, 18176, 19880, 22720, 24416, 27904, 30520, 30956, 31808, 34880, 38695, 39760, 45440, 48832, 54173, 61040, 61912, 63616, 69760, 77390, 79520, 90880, 97664, 108346, 122080, 123824, 127232, 139520, 154780, 159040, 195328, 216692, 244160, 247648, 270865, 309560, 318080, 433384, 488320, 495296, 541730, 619120, 636160, 866768, 976640, 990592, 1083460, 1238240, 1733536, 1981184, 2166920, 2476480, 3467072, 4333840, 4952960, 6934144, 8667680, 9905920, 13868288, 17335360, 34670720, 69341440]

約数ペア:

[(1, 69341440), (2, 34670720), (4, 17335360), (5, 13868288), (7, 9905920), (8, 8667680), (10, 6934144), (14, 4952960), (16, 4333840), (20, 3467072), (28, 2476480), (32, 2166920), (35, 1981184), (40, 1733536), (56, 1238240), (64, 1083460), (70, 990592), (71, 976640), (80, 866768), (109, 636160), (112, 619120), (128, 541730), (140, 495296), (142, 488320), (160, 433384), (218, 318080), (224, 309560), (256, 270865), (280, 247648), (284, 244160), (320, 216692), (355, 195328), (436, 159040), (448, 154780), (497, 139520), (545, 127232), (560, 123824), (568, 122080), (640, 108346), (710, 97664), (763, 90880), (872, 79520), (896, 77390), (994, 69760), (1090, 63616), (1120, 61912), (1136, 61040), (1280, 54173), (1420, 48832), (1526, 45440), (1744, 39760), (1792, 38695), (1988, 34880), (2180, 31808), (2240, 30956), (2272, 30520), (2485, 27904), (2840, 24416), (3052, 22720), (3488, 19880), (3815, 18176), (3976, 17440), (4360, 15904), (4480, 15478), (4544, 15260), (4970, 13952), (5680, 12208), (6104, 11360), (6976, 9940), (7630, 9088), (7739, 8960), (7952, 8720)]