72420075

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 166822656

約数和(自身を除く): 94402581

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 81, 91, 105, 117, 131, 135, 175, 189, 195, 225, 243, 273, 315, 325, 351, 393, 405, 455, 525, 567, 585, 655, 675, 819, 917, 945, 975, 1053, 1179, 1215, 1365, 1575, 1701, 1703, 1755, 1965, 2025, 2275, 2457, 2751, 2835, 2925, 3159, 3275, 3537, 4095, 4585, 4725, 5109, 5265, 5895, 6075, 6825, 7371, 8253, 8505, 8515, 8775, 9825, 10611, 11921, 12285, 13755, 14175, 15327, 15795, 17685, 20475, 22113, 22925, 24759, 25545, 26325, 29475, 31833, 35763, 36855, 41265, 42525, 42575, 45981, 53055, 59605, 61425, 68775, 74277, 76635, 78975, 88425, 107289, 110565, 123795, 127725, 137943, 159165, 178815, 184275, 206325, 222831, 229905, 265275, 298025, 321867, 371385, 383175, 413829, 536445, 552825, 618975, 689715, 795825, 894075, 965601, 1114155, 1149525, 1609335, 1856925, 2069145, 2682225, 2896803, 3448575, 4828005, 5570775, 8046675, 10345725, 14484015, 24140025, 72420075]

約数ペア:

[(1, 72420075), (3, 24140025), (5, 14484015), (7, 10345725), (9, 8046675), (13, 5570775), (15, 4828005), (21, 3448575), (25, 2896803), (27, 2682225), (35, 2069145), (39, 1856925), (45, 1609335), (63, 1149525), (65, 1114155), (75, 965601), (81, 894075), (91, 795825), (105, 689715), (117, 618975), (131, 552825), (135, 536445), (175, 413829), (189, 383175), (195, 371385), (225, 321867), (243, 298025), (273, 265275), (315, 229905), (325, 222831), (351, 206325), (393, 184275), (405, 178815), (455, 159165), (525, 137943), (567, 127725), (585, 123795), (655, 110565), (675, 107289), (819, 88425), (917, 78975), (945, 76635), (975, 74277), (1053, 68775), (1179, 61425), (1215, 59605), (1365, 53055), (1575, 45981), (1701, 42575), (1703, 42525), (1755, 41265), (1965, 36855), (2025, 35763), (2275, 31833), (2457, 29475), (2751, 26325), (2835, 25545), (2925, 24759), (3159, 22925), (3275, 22113), (3537, 20475), (4095, 17685), (4585, 15795), (4725, 15327), (5109, 14175), (5265, 13755), (5895, 12285), (6075, 11921), (6825, 10611), (7371, 9825), (8253, 8775), (8505, 8515)]