67720590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{35831}}^1$

素因数の和:35854

約数の個数: 64

約数和(自身を含む): 206392320

約数和(自身を除く): 138671730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 35831, 71662, 107493, 179155, 214986, 250817, 322479, 358310, 501634, 537465, 644958, 752451, 967437, 1074930, 1254085, 1504902, 1612395, 1934874, 2257353, 2508170, 3224790, 3762255, 4514706, 4837185, 6772059, 7524510, 9674370, 11286765, 13544118, 22573530, 33860295, 67720590]

約数ペア:

[(1, 67720590), (2, 33860295), (3, 22573530), (5, 13544118), (6, 11286765), (7, 9674370), (9, 7524510), (10, 6772059), (14, 4837185), (15, 4514706), (18, 3762255), (21, 3224790), (27, 2508170), (30, 2257353), (35, 1934874), (42, 1612395), (45, 1504902), (54, 1254085), (63, 1074930), (70, 967437), (90, 752451), (105, 644958), (126, 537465), (135, 501634), (189, 358310), (210, 322479), (270, 250817), (315, 214986), (378, 179155), (630, 107493), (945, 71662), (1890, 35831)]