77121540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2729}}^1$

素因数の和:2901

約数の個数: 72

約数和(自身を含む): 235511640

約数和(自身を除く): 158390100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2729, 2826, 3140, 4710, 5458, 5652, 7065, 8187, 9420, 10916, 13645, 14130, 16374, 24561, 27290, 28260, 32748, 40935, 49122, 54580, 81870, 98244, 122805, 163740, 245610, 428453, 491220, 856906, 1285359, 1713812, 2142265, 2570718, 3856077, 4284530, 5141436, 6426795, 7712154, 8569060, 12853590, 15424308, 19280385, 25707180, 38560770, 77121540]

約数ペア:

[(1, 77121540), (2, 38560770), (3, 25707180), (4, 19280385), (5, 15424308), (6, 12853590), (9, 8569060), (10, 7712154), (12, 6426795), (15, 5141436), (18, 4284530), (20, 3856077), (30, 2570718), (36, 2142265), (45, 1713812), (60, 1285359), (90, 856906), (157, 491220), (180, 428453), (314, 245610), (471, 163740), (628, 122805), (785, 98244), (942, 81870), (1413, 54580), (1570, 49122), (1884, 40935), (2355, 32748), (2729, 28260), (2826, 27290), (3140, 24561), (4710, 16374), (5458, 14130), (5652, 13645), (7065, 10916), (8187, 9420)]