121204720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16649}}^1$

素因数の和:16682

約数の個数: 80

約数和(自身を含む): 346852800

約数和(自身を除く): 225648080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 16649, 33298, 66596, 83245, 116543, 133192, 166490, 216437, 233086, 266384, 332980, 432874, 466172, 582715, 665960, 865748, 932344, 1082185, 1165430, 1331920, 1515059, 1731496, 1864688, 2164370, 2330860, 3030118, 3462992, 4328740, 4661720, 6060236, 7575295, 8657480, 9323440, 12120472, 15150590, 17314960, 24240944, 30301180, 60602360, 121204720]

約数ペア:

[(1, 121204720), (2, 60602360), (4, 30301180), (5, 24240944), (7, 17314960), (8, 15150590), (10, 12120472), (13, 9323440), (14, 8657480), (16, 7575295), (20, 6060236), (26, 4661720), (28, 4328740), (35, 3462992), (40, 3030118), (52, 2330860), (56, 2164370), (65, 1864688), (70, 1731496), (80, 1515059), (91, 1331920), (104, 1165430), (112, 1082185), (130, 932344), (140, 865748), (182, 665960), (208, 582715), (260, 466172), (280, 432874), (364, 332980), (455, 266384), (520, 233086), (560, 216437), (728, 166490), (910, 133192), (1040, 116543), (1456, 83245), (1820, 66596), (3640, 33298), (7280, 16649)]