128834720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{16433}}^1$

素因数の和:16462

約数の個数: 72

約数和(自身を含む): 354086964

約数和(自身を除く): 225252244

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, 16433, 32866, 65732, 82165, 115031, 131464, 164330, 230062, 262928, 328660, 460124, 525856, 575155, 657320, 805217, 920248, 1150310, 1314640, 1610434, 1840496, 2300620, 2629280, 3220868, 3680992, 4026085, 4601240, 6441736, 8052170, 9202480, 12883472, 16104340, 18404960, 25766944, 32208680, 64417360, 128834720]

約数ペア:

[(1, 128834720), (2, 64417360), (4, 32208680), (5, 25766944), (7, 18404960), (8, 16104340), (10, 12883472), (14, 9202480), (16, 8052170), (20, 6441736), (28, 4601240), (32, 4026085), (35, 3680992), (40, 3220868), (49, 2629280), (56, 2300620), (70, 1840496), (80, 1610434), (98, 1314640), (112, 1150310), (140, 920248), (160, 805217), (196, 657320), (224, 575155), (245, 525856), (280, 460124), (392, 328660), (490, 262928), (560, 230062), (784, 164330), (980, 131464), (1120, 115031), (1568, 82165), (1960, 65732), (3920, 32866), (7840, 16433)]