64370320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16421}}^1$

素因数の和:16448

約数の個数: 60

約数和(自身を含む): 174106044

約数和(自身を除く): 109735724

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16421, 32842, 65684, 82105, 114947, 131368, 164210, 229894, 262736, 328420, 459788, 574735, 656840, 804629, 919576, 1149470, 1313680, 1609258, 1839152, 2298940, 3218516, 4023145, 4597880, 6437032, 8046290, 9195760, 12874064, 16092580, 32185160, 64370320]

約数ペア:

[(1, 64370320), (2, 32185160), (4, 16092580), (5, 12874064), (7, 9195760), (8, 8046290), (10, 6437032), (14, 4597880), (16, 4023145), (20, 3218516), (28, 2298940), (35, 1839152), (40, 1609258), (49, 1313680), (56, 1149470), (70, 919576), (80, 804629), (98, 656840), (112, 574735), (140, 459788), (196, 328420), (245, 262736), (280, 229894), (392, 164210), (490, 131368), (560, 114947), (784, 82105), (980, 65684), (1960, 32842), (3920, 16421)]