90889960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7549}}^1$

素因数の和:7610

約数の個数: 64

約数和(自身を含む): 239184000

約数和(自身を除く): 148294040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 7549, 12040, 15098, 30196, 37745, 52843, 60392, 75490, 105686, 150980, 211372, 264215, 301960, 324607, 422744, 528430, 649214, 1056860, 1298428, 1623035, 2113720, 2272249, 2596856, 3246070, 4544498, 6492140, 9088996, 11361245, 12984280, 18177992, 22722490, 45444980, 90889960]

約数ペア:

[(1, 90889960), (2, 45444980), (4, 22722490), (5, 18177992), (7, 12984280), (8, 11361245), (10, 9088996), (14, 6492140), (20, 4544498), (28, 3246070), (35, 2596856), (40, 2272249), (43, 2113720), (56, 1623035), (70, 1298428), (86, 1056860), (140, 649214), (172, 528430), (215, 422744), (280, 324607), (301, 301960), (344, 264215), (430, 211372), (602, 150980), (860, 105686), (1204, 75490), (1505, 60392), (1720, 52843), (2408, 37745), (3010, 30196), (6020, 15098), (7549, 12040)]