115405640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 297682560

約数和(自身を除く): 182276920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 641, 643, 1282, 1286, 2564, 2572, 3205, 3215, 4487, 4501, 5128, 5144, 6410, 6430, 8974, 9002, 12820, 12860, 17948, 18004, 22435, 22505, 25640, 25720, 35896, 36008, 44870, 45010, 89740, 90020, 179480, 180040, 412163, 824326, 1648652, 2060815, 2885141, 3297304, 4121630, 5770282, 8243260, 11540564, 14425705, 16486520, 23081128, 28851410, 57702820, 115405640]

約数ペア:

[(1, 115405640), (2, 57702820), (4, 28851410), (5, 23081128), (7, 16486520), (8, 14425705), (10, 11540564), (14, 8243260), (20, 5770282), (28, 4121630), (35, 3297304), (40, 2885141), (56, 2060815), (70, 1648652), (140, 824326), (280, 412163), (641, 180040), (643, 179480), (1282, 90020), (1286, 89740), (2564, 45010), (2572, 44870), (3205, 36008), (3215, 35896), (4487, 25720), (4501, 25640), (5128, 22505), (5144, 22435), (6410, 18004), (6430, 17948), (8974, 12860), (9002, 12820)]