268484720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{68491}}^1$

素因数の和:68518

約数の個数: 60

約数和(自身を含む): 726152184

約数和(自身を除く): 457667464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 68491, 136982, 273964, 342455, 479437, 547928, 684910, 958874, 1095856, 1369820, 1917748, 2397185, 2739640, 3356059, 3835496, 4794370, 5479280, 6712118, 7670992, 9588740, 13424236, 16780295, 19177480, 26848472, 33560590, 38354960, 53696944, 67121180, 134242360, 268484720]

約数ペア:

[(1, 268484720), (2, 134242360), (4, 67121180), (5, 53696944), (7, 38354960), (8, 33560590), (10, 26848472), (14, 19177480), (16, 16780295), (20, 13424236), (28, 9588740), (35, 7670992), (40, 6712118), (49, 5479280), (56, 4794370), (70, 3835496), (80, 3356059), (98, 2739640), (112, 2397185), (140, 1917748), (196, 1369820), (245, 1095856), (280, 958874), (392, 684910), (490, 547928), (560, 479437), (784, 342455), (980, 273964), (1960, 136982), (3920, 68491)]