1680042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 4402944

約数和(自身を除く): 2722902

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 181, 182, 221, 238, 273, 357, 362, 442, 543, 546, 663, 714, 1086, 1267, 1326, 1547, 2353, 2534, 3077, 3094, 3801, 4641, 4706, 6154, 7059, 7602, 9231, 9282, 14118, 16471, 18462, 21539, 32942, 40001, 43078, 49413, 64617, 80002, 98826, 120003, 129234, 240006, 280007, 560014, 840021, 1680042]

約数ペア:

[(1, 1680042), (2, 840021), (3, 560014), (6, 280007), (7, 240006), (13, 129234), (14, 120003), (17, 98826), (21, 80002), (26, 64617), (34, 49413), (39, 43078), (42, 40001), (51, 32942), (78, 21539), (91, 18462), (102, 16471), (119, 14118), (181, 9282), (182, 9231), (221, 7602), (238, 7059), (273, 6154), (357, 4706), (362, 4641), (442, 3801), (543, 3094), (546, 3077), (663, 2534), (714, 2353), (1086, 1547), (1267, 1326)]