64625120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8243}}^1$

素因数の和:8272

約数の個数: 72

約数和(自身を含む): 177625224

約数和(自身を除く): 113000104

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, 8243, 16486, 32972, 41215, 57701, 65944, 82430, 115402, 131888, 164860, 230804, 263776, 288505, 329720, 403907, 461608, 577010, 659440, 807814, 923216, 1154020, 1318880, 1615628, 1846432, 2019535, 2308040, 3231256, 4039070, 4616080, 6462512, 8078140, 9232160, 12925024, 16156280, 32312560, 64625120]

約数ペア:

[(1, 64625120), (2, 32312560), (4, 16156280), (5, 12925024), (7, 9232160), (8, 8078140), (10, 6462512), (14, 4616080), (16, 4039070), (20, 3231256), (28, 2308040), (32, 2019535), (35, 1846432), (40, 1615628), (49, 1318880), (56, 1154020), (70, 923216), (80, 807814), (98, 659440), (112, 577010), (140, 461608), (160, 403907), (196, 329720), (224, 288505), (245, 263776), (280, 230804), (392, 164860), (490, 131888), (560, 115402), (784, 82430), (980, 65944), (1120, 57701), (1568, 41215), (1960, 32972), (3920, 16486), (7840, 8243)]