17857920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 58164480

約数和(自身を除く): 40306560

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, 131, 142, 160, 192, 213, 240, 262, 284, 320, 355, 384, 393, 426, 480, 524, 568, 640, 655, 710, 786, 852, 960, 1048, 1065, 1136, 1310, 1420, 1572, 1704, 1920, 1965, 2096, 2130, 2272, 2620, 2840, 3144, 3408, 3930, 4192, 4260, 4544, 5240, 5680, 6288, 6816, 7860, 8384, 8520, 9088, 9301, 10480, 11360, 12576, 13632, 15720, 16768, 17040, 18602, 20960, 22720, 25152, 27264, 27903, 31440, 34080, 37204, 41920, 45440, 46505, 50304, 55806, 62880, 68160, 74408, 83840, 93010, 111612, 125760, 136320, 139515, 148816, 186020, 223224, 251520, 279030, 297632, 372040, 446448, 558060, 595264, 744080, 892896, 1116120, 1190528, 1488160, 1785792, 2232240, 2976320, 3571584, 4464480, 5952640, 8928960, 17857920]

約数ペア:

[(1, 17857920), (2, 8928960), (3, 5952640), (4, 4464480), (5, 3571584), (6, 2976320), (8, 2232240), (10, 1785792), (12, 1488160), (15, 1190528), (16, 1116120), (20, 892896), (24, 744080), (30, 595264), (32, 558060), (40, 446448), (48, 372040), (60, 297632), (64, 279030), (71, 251520), (80, 223224), (96, 186020), (120, 148816), (128, 139515), (131, 136320), (142, 125760), (160, 111612), (192, 93010), (213, 83840), (240, 74408), (262, 68160), (284, 62880), (320, 55806), (355, 50304), (384, 46505), (393, 45440), (426, 41920), (480, 37204), (524, 34080), (568, 31440), (640, 27903), (655, 27264), (710, 25152), (786, 22720), (852, 20960), (960, 18602), (1048, 17040), (1065, 16768), (1136, 15720), (1310, 13632), (1420, 12576), (1572, 11360), (1704, 10480), (1920, 9301), (1965, 9088), (2096, 8520), (2130, 8384), (2272, 7860), (2620, 6816), (2840, 6288), (3144, 5680), (3408, 5240), (3930, 4544), (4192, 4260)]