217084160

素因数分解:

$2^8\times 5^1\times {\mathrm{181}}^1\times {\mathrm{937}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 523415256

約数和(自身を除く): 306331096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 256, 320, 362, 640, 724, 905, 937, 1280, 1448, 1810, 1874, 2896, 3620, 3748, 4685, 5792, 7240, 7496, 9370, 11584, 14480, 14992, 18740, 23168, 28960, 29984, 37480, 46336, 57920, 59968, 74960, 115840, 119936, 149920, 169597, 231680, 239872, 299840, 339194, 599680, 678388, 847985, 1199360, 1356776, 1695970, 2713552, 3391940, 5427104, 6783880, 10854208, 13567760, 21708416, 27135520, 43416832, 54271040, 108542080, 217084160]

約数ペア:

[(1, 217084160), (2, 108542080), (4, 54271040), (5, 43416832), (8, 27135520), (10, 21708416), (16, 13567760), (20, 10854208), (32, 6783880), (40, 5427104), (64, 3391940), (80, 2713552), (128, 1695970), (160, 1356776), (181, 1199360), (256, 847985), (320, 678388), (362, 599680), (640, 339194), (724, 299840), (905, 239872), (937, 231680), (1280, 169597), (1448, 149920), (1810, 119936), (1874, 115840), (2896, 74960), (3620, 59968), (3748, 57920), (4685, 46336), (5792, 37480), (7240, 29984), (7496, 28960), (9370, 23168), (11584, 18740), (14480, 14992)]