155504320

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7253}}^1$

素因数の和:7337

約数の個数: 56

約数和(自身を含む): 375873264

約数和(自身を除く): 220368944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 4288, 5360, 7253, 10720, 14506, 21440, 29012, 36265, 58024, 72530, 116048, 145060, 232096, 290120, 464192, 485951, 580240, 971902, 1160480, 1943804, 2320960, 2429755, 3887608, 4859510, 7775216, 9719020, 15550432, 19438040, 31100864, 38876080, 77752160, 155504320]

約数ペア:

[(1, 155504320), (2, 77752160), (4, 38876080), (5, 31100864), (8, 19438040), (10, 15550432), (16, 9719020), (20, 7775216), (32, 4859510), (40, 3887608), (64, 2429755), (67, 2320960), (80, 1943804), (134, 1160480), (160, 971902), (268, 580240), (320, 485951), (335, 464192), (536, 290120), (670, 232096), (1072, 145060), (1340, 116048), (2144, 72530), (2680, 58024), (4288, 36265), (5360, 29012), (7253, 21440), (10720, 14506)]