18675840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 60808320

約数和(自身を除く): 42132480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 137, 142, 160, 192, 213, 240, 274, 284, 320, 355, 384, 411, 426, 480, 548, 568, 640, 685, 710, 822, 852, 960, 1065, 1096, 1136, 1370, 1420, 1644, 1704, 1920, 2055, 2130, 2192, 2272, 2740, 2840, 3288, 3408, 4110, 4260, 4384, 4544, 5480, 5680, 6576, 6816, 8220, 8520, 8768, 9088, 9727, 10960, 11360, 13152, 13632, 16440, 17040, 17536, 19454, 21920, 22720, 26304, 27264, 29181, 32880, 34080, 38908, 43840, 45440, 48635, 52608, 58362, 65760, 68160, 77816, 87680, 97270, 116724, 131520, 136320, 145905, 155632, 194540, 233448, 263040, 291810, 311264, 389080, 466896, 583620, 622528, 778160, 933792, 1167240, 1245056, 1556320, 1867584, 2334480, 3112640, 3735168, 4668960, 6225280, 9337920, 18675840]

約数ペア:

[(1, 18675840), (2, 9337920), (3, 6225280), (4, 4668960), (5, 3735168), (6, 3112640), (8, 2334480), (10, 1867584), (12, 1556320), (15, 1245056), (16, 1167240), (20, 933792), (24, 778160), (30, 622528), (32, 583620), (40, 466896), (48, 389080), (60, 311264), (64, 291810), (71, 263040), (80, 233448), (96, 194540), (120, 155632), (128, 145905), (137, 136320), (142, 131520), (160, 116724), (192, 97270), (213, 87680), (240, 77816), (274, 68160), (284, 65760), (320, 58362), (355, 52608), (384, 48635), (411, 45440), (426, 43840), (480, 38908), (548, 34080), (568, 32880), (640, 29181), (685, 27264), (710, 26304), (822, 22720), (852, 21920), (960, 19454), (1065, 17536), (1096, 17040), (1136, 16440), (1370, 13632), (1420, 13152), (1644, 11360), (1704, 10960), (1920, 9727), (2055, 9088), (2130, 8768), (2192, 8520), (2272, 8220), (2740, 6816), (2840, 6576), (3288, 5680), (3408, 5480), (4110, 4544), (4260, 4384)]