61710180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{421}}^1$

素因数の和:789

約数の個数: 96

約数和(自身を含む): 198508800

約数和(自身を除く): 136798620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 349, 420, 421, 698, 842, 1047, 1263, 1396, 1684, 1745, 2094, 2105, 2443, 2526, 2947, 3490, 4188, 4210, 4886, 5052, 5235, 5894, 6315, 6980, 7329, 8420, 8841, 9772, 10470, 11788, 12215, 12630, 14658, 14735, 17682, 20940, 24430, 25260, 29316, 29470, 35364, 36645, 44205, 48860, 58940, 73290, 88410, 146580, 146929, 176820, 293858, 440787, 587716, 734645, 881574, 1028503, 1469290, 1763148, 2057006, 2203935, 2938580, 3085509, 4114012, 4407870, 5142515, 6171018, 8815740, 10285030, 12342036, 15427545, 20570060, 30855090, 61710180]

約数ペア:

[(1, 61710180), (2, 30855090), (3, 20570060), (4, 15427545), (5, 12342036), (6, 10285030), (7, 8815740), (10, 6171018), (12, 5142515), (14, 4407870), (15, 4114012), (20, 3085509), (21, 2938580), (28, 2203935), (30, 2057006), (35, 1763148), (42, 1469290), (60, 1028503), (70, 881574), (84, 734645), (105, 587716), (140, 440787), (210, 293858), (349, 176820), (420, 146929), (421, 146580), (698, 88410), (842, 73290), (1047, 58940), (1263, 48860), (1396, 44205), (1684, 36645), (1745, 35364), (2094, 29470), (2105, 29316), (2443, 25260), (2526, 24430), (2947, 20940), (3490, 17682), (4188, 14735), (4210, 14658), (4886, 12630), (5052, 12215), (5235, 11788), (5894, 10470), (6315, 9772), (6980, 8841), (7329, 8420)]