31579840

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 112

約数和(自身を含む): 80650080

約数和(自身を除く): 49070240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 64, 80, 82, 83, 116, 145, 160, 164, 166, 205, 232, 290, 320, 328, 332, 410, 415, 464, 580, 656, 664, 820, 830, 928, 1160, 1189, 1312, 1328, 1640, 1660, 1856, 2320, 2378, 2407, 2624, 2656, 3280, 3320, 3403, 4640, 4756, 4814, 5312, 5945, 6560, 6640, 6806, 9280, 9512, 9628, 11890, 12035, 13120, 13280, 13612, 17015, 19024, 19256, 23780, 24070, 26560, 27224, 34030, 38048, 38512, 47560, 48140, 54448, 68060, 76096, 77024, 95120, 96280, 98687, 108896, 136120, 154048, 190240, 192560, 197374, 217792, 272240, 380480, 385120, 394748, 493435, 544480, 770240, 789496, 986870, 1088960, 1578992, 1973740, 3157984, 3947480, 6315968, 7894960, 15789920, 31579840]

約数ペア:

[(1, 31579840), (2, 15789920), (4, 7894960), (5, 6315968), (8, 3947480), (10, 3157984), (16, 1973740), (20, 1578992), (29, 1088960), (32, 986870), (40, 789496), (41, 770240), (58, 544480), (64, 493435), (80, 394748), (82, 385120), (83, 380480), (116, 272240), (145, 217792), (160, 197374), (164, 192560), (166, 190240), (205, 154048), (232, 136120), (290, 108896), (320, 98687), (328, 96280), (332, 95120), (410, 77024), (415, 76096), (464, 68060), (580, 54448), (656, 48140), (664, 47560), (820, 38512), (830, 38048), (928, 34030), (1160, 27224), (1189, 26560), (1312, 24070), (1328, 23780), (1640, 19256), (1660, 19024), (1856, 17015), (2320, 13612), (2378, 13280), (2407, 13120), (2624, 12035), (2656, 11890), (3280, 9628), (3320, 9512), (3403, 9280), (4640, 6806), (4756, 6640), (4814, 6560), (5312, 5945)]