79998720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 259604352

約数和(自身を除く): 179605632

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, 256, 320, 332, 384, 415, 480, 498, 502, 640, 664, 753, 768, 830, 960, 996, 1004, 1245, 1255, 1280, 1328, 1506, 1660, 1920, 1992, 2008, 2490, 2510, 2656, 3012, 3320, 3765, 3840, 3984, 4016, 4980, 5020, 5312, 6024, 6640, 7530, 7968, 8032, 9960, 10040, 10624, 12048, 13280, 15060, 15936, 16064, 19920, 20080, 20833, 21248, 24096, 26560, 30120, 31872, 32128, 39840, 40160, 41666, 48192, 53120, 60240, 62499, 63744, 64256, 79680, 80320, 83332, 96384, 104165, 106240, 120480, 124998, 159360, 160640, 166664, 192768, 208330, 240960, 249996, 312495, 318720, 321280, 333328, 416660, 481920, 499992, 624990, 666656, 833320, 963840, 999984, 1249980, 1333312, 1666640, 1999968, 2499960, 2666624, 3333280, 3999936, 4999920, 5333248, 6666560, 7999872, 9999840, 13333120, 15999744, 19999680, 26666240, 39999360, 79998720]

約数ペア:

[(1, 79998720), (2, 39999360), (3, 26666240), (4, 19999680), (5, 15999744), (6, 13333120), (8, 9999840), (10, 7999872), (12, 6666560), (15, 5333248), (16, 4999920), (20, 3999936), (24, 3333280), (30, 2666624), (32, 2499960), (40, 1999968), (48, 1666640), (60, 1333312), (64, 1249980), (80, 999984), (83, 963840), (96, 833320), (120, 666656), (128, 624990), (160, 499992), (166, 481920), (192, 416660), (240, 333328), (249, 321280), (251, 318720), (256, 312495), (320, 249996), (332, 240960), (384, 208330), (415, 192768), (480, 166664), (498, 160640), (502, 159360), (640, 124998), (664, 120480), (753, 106240), (768, 104165), (830, 96384), (960, 83332), (996, 80320), (1004, 79680), (1245, 64256), (1255, 63744), (1280, 62499), (1328, 60240), (1506, 53120), (1660, 48192), (1920, 41666), (1992, 40160), (2008, 39840), (2490, 32128), (2510, 31872), (2656, 30120), (3012, 26560), (3320, 24096), (3765, 21248), (3840, 20833), (3984, 20080), (4016, 19920), (4980, 16064), (5020, 15936), (5312, 15060), (6024, 13280), (6640, 12048), (7530, 10624), (7968, 10040), (8032, 9960)]