39999360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 129548160

約数和(自身を除く): 89548800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 251, 320, 332, 384, 415, 480, 498, 502, 640, 664, 753, 830, 960, 996, 1004, 1245, 1255, 1328, 1506, 1660, 1920, 1992, 2008, 2490, 2510, 2656, 3012, 3320, 3765, 3984, 4016, 4980, 5020, 5312, 6024, 6640, 7530, 7968, 8032, 9960, 10040, 10624, 12048, 13280, 15060, 15936, 16064, 19920, 20080, 20833, 24096, 26560, 30120, 31872, 32128, 39840, 40160, 41666, 48192, 53120, 60240, 62499, 79680, 80320, 83332, 96384, 104165, 120480, 124998, 159360, 160640, 166664, 208330, 240960, 249996, 312495, 333328, 416660, 481920, 499992, 624990, 666656, 833320, 999984, 1249980, 1333312, 1666640, 1999968, 2499960, 2666624, 3333280, 3999936, 4999920, 6666560, 7999872, 9999840, 13333120, 19999680, 39999360]

約数ペア:

[(1, 39999360), (2, 19999680), (3, 13333120), (4, 9999840), (5, 7999872), (6, 6666560), (8, 4999920), (10, 3999936), (12, 3333280), (15, 2666624), (16, 2499960), (20, 1999968), (24, 1666640), (30, 1333312), (32, 1249980), (40, 999984), (48, 833320), (60, 666656), (64, 624990), (80, 499992), (83, 481920), (96, 416660), (120, 333328), (128, 312495), (160, 249996), (166, 240960), (192, 208330), (240, 166664), (249, 160640), (251, 159360), (320, 124998), (332, 120480), (384, 104165), (415, 96384), (480, 83332), (498, 80320), (502, 79680), (640, 62499), (664, 60240), (753, 53120), (830, 48192), (960, 41666), (996, 40160), (1004, 39840), (1245, 32128), (1255, 31872), (1328, 30120), (1506, 26560), (1660, 24096), (1920, 20833), (1992, 20080), (2008, 19920), (2490, 16064), (2510, 15936), (2656, 15060), (3012, 13280), (3320, 12048), (3765, 10624), (3984, 10040), (4016, 9960), (4980, 8032), (5020, 7968), (5312, 7530), (6024, 6640)]