26447220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{421}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 80644200

約数和(自身を除く): 54196980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 421, 698, 842, 1047, 1263, 1396, 1684, 1745, 2094, 2105, 2526, 3141, 3490, 3789, 4188, 4210, 5052, 5235, 6282, 6315, 6980, 7578, 8420, 10470, 12564, 12630, 15156, 15705, 18945, 20940, 25260, 31410, 37890, 62820, 75780, 146929, 293858, 440787, 587716, 734645, 881574, 1322361, 1469290, 1763148, 2203935, 2644722, 2938580, 4407870, 5289444, 6611805, 8815740, 13223610, 26447220]

約数ペア:

[(1, 26447220), (2, 13223610), (3, 8815740), (4, 6611805), (5, 5289444), (6, 4407870), (9, 2938580), (10, 2644722), (12, 2203935), (15, 1763148), (18, 1469290), (20, 1322361), (30, 881574), (36, 734645), (45, 587716), (60, 440787), (90, 293858), (180, 146929), (349, 75780), (421, 62820), (698, 37890), (842, 31410), (1047, 25260), (1263, 20940), (1396, 18945), (1684, 15705), (1745, 15156), (2094, 12630), (2105, 12564), (2526, 10470), (3141, 8420), (3490, 7578), (3789, 6980), (4188, 6315), (4210, 6282), (5052, 5235)]