68432640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 222518016

約数和(自身を除く): 154085376

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, 142, 160, 192, 213, 240, 251, 256, 284, 320, 355, 384, 426, 480, 502, 568, 640, 710, 753, 768, 852, 960, 1004, 1065, 1136, 1255, 1280, 1420, 1506, 1704, 1920, 2008, 2130, 2272, 2510, 2840, 3012, 3408, 3765, 3840, 4016, 4260, 4544, 5020, 5680, 6024, 6816, 7530, 8032, 8520, 9088, 10040, 11360, 12048, 13632, 15060, 16064, 17040, 17821, 18176, 20080, 22720, 24096, 27264, 30120, 32128, 34080, 35642, 40160, 45440, 48192, 53463, 54528, 60240, 64256, 68160, 71284, 80320, 89105, 90880, 96384, 106926, 120480, 136320, 142568, 160640, 178210, 192768, 213852, 240960, 267315, 272640, 285136, 321280, 356420, 427704, 481920, 534630, 570272, 712840, 855408, 963840, 1069260, 1140544, 1425680, 1710816, 2138520, 2281088, 2851360, 3421632, 4277040, 4562176, 5702720, 6843264, 8554080, 11405440, 13686528, 17108160, 22810880, 34216320, 68432640]

約数ペア:

[(1, 68432640), (2, 34216320), (3, 22810880), (4, 17108160), (5, 13686528), (6, 11405440), (8, 8554080), (10, 6843264), (12, 5702720), (15, 4562176), (16, 4277040), (20, 3421632), (24, 2851360), (30, 2281088), (32, 2138520), (40, 1710816), (48, 1425680), (60, 1140544), (64, 1069260), (71, 963840), (80, 855408), (96, 712840), (120, 570272), (128, 534630), (142, 481920), (160, 427704), (192, 356420), (213, 321280), (240, 285136), (251, 272640), (256, 267315), (284, 240960), (320, 213852), (355, 192768), (384, 178210), (426, 160640), (480, 142568), (502, 136320), (568, 120480), (640, 106926), (710, 96384), (753, 90880), (768, 89105), (852, 80320), (960, 71284), (1004, 68160), (1065, 64256), (1136, 60240), (1255, 54528), (1280, 53463), (1420, 48192), (1506, 45440), (1704, 40160), (1920, 35642), (2008, 34080), (2130, 32128), (2272, 30120), (2510, 27264), (2840, 24096), (3012, 22720), (3408, 20080), (3765, 18176), (3840, 17821), (4016, 17040), (4260, 16064), (4544, 15060), (5020, 13632), (5680, 12048), (6024, 11360), (6816, 10040), (7530, 9088), (8032, 8520)]