155243480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{971}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 400308480

約数和(自身を除く): 245065000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 571, 971, 1142, 1942, 2284, 2855, 3884, 3997, 4568, 4855, 5710, 6797, 7768, 7994, 9710, 11420, 13594, 15988, 19420, 19985, 22840, 27188, 31976, 33985, 38840, 39970, 54376, 67970, 79940, 135940, 159880, 271880, 554441, 1108882, 2217764, 2772205, 3881087, 4435528, 5544410, 7762174, 11088820, 15524348, 19405435, 22177640, 31048696, 38810870, 77621740, 155243480]

約数ペア:

[(1, 155243480), (2, 77621740), (4, 38810870), (5, 31048696), (7, 22177640), (8, 19405435), (10, 15524348), (14, 11088820), (20, 7762174), (28, 5544410), (35, 4435528), (40, 3881087), (56, 2772205), (70, 2217764), (140, 1108882), (280, 554441), (571, 271880), (971, 159880), (1142, 135940), (1942, 79940), (2284, 67970), (2855, 54376), (3884, 39970), (3997, 38840), (4568, 33985), (4855, 31976), (5710, 27188), (6797, 22840), (7768, 19985), (7994, 19420), (9710, 15988), (11420, 13594)]