72449440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9241}}^1$

素因数の和:9270

約数の個数: 72

約数和(自身を含む): 199128132

約数和(自身を除く): 126678692

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 9241, 18482, 36964, 46205, 64687, 73928, 92410, 129374, 147856, 184820, 258748, 295712, 323435, 369640, 452809, 517496, 646870, 739280, 905618, 1034992, 1293740, 1478560, 1811236, 2069984, 2264045, 2587480, 3622472, 4528090, 5174960, 7244944, 9056180, 10349920, 14489888, 18112360, 36224720, 72449440]

約数ペア:

[(1, 72449440), (2, 36224720), (4, 18112360), (5, 14489888), (7, 10349920), (8, 9056180), (10, 7244944), (14, 5174960), (16, 4528090), (20, 3622472), (28, 2587480), (32, 2264045), (35, 2069984), (40, 1811236), (49, 1478560), (56, 1293740), (70, 1034992), (80, 905618), (98, 739280), (112, 646870), (140, 517496), (160, 452809), (196, 369640), (224, 323435), (245, 295712), (280, 258748), (392, 184820), (490, 147856), (560, 129374), (784, 92410), (980, 73928), (1120, 64687), (1568, 46205), (1960, 36964), (3920, 18482), (7840, 9241)]