155249920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17327}}^1$

素因数の和:17355

約数の個数: 72

約数和(自身を含む): 425021184

約数和(自身を除く): 269771264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 17327, 34654, 69308, 86635, 121289, 138616, 173270, 242578, 277232, 346540, 485156, 554464, 606445, 693080, 970312, 1108928, 1212890, 1386160, 1940624, 2217856, 2425780, 2772320, 3881248, 4435712, 4851560, 5544640, 7762496, 9703120, 11089280, 15524992, 19406240, 22178560, 31049984, 38812480, 77624960, 155249920]

約数ペア:

[(1, 155249920), (2, 77624960), (4, 38812480), (5, 31049984), (7, 22178560), (8, 19406240), (10, 15524992), (14, 11089280), (16, 9703120), (20, 7762496), (28, 5544640), (32, 4851560), (35, 4435712), (40, 3881248), (56, 2772320), (64, 2425780), (70, 2217856), (80, 1940624), (112, 1386160), (128, 1212890), (140, 1108928), (160, 970312), (224, 693080), (256, 606445), (280, 554464), (320, 485156), (448, 346540), (560, 277232), (640, 242578), (896, 173270), (1120, 138616), (1280, 121289), (1792, 86635), (2240, 69308), (4480, 34654), (8960, 17327)]