72487680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 237431040

約数和(自身を除く): 164943360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 256, 258, 320, 344, 384, 430, 439, 480, 516, 640, 645, 688, 768, 860, 878, 960, 1032, 1280, 1290, 1317, 1376, 1720, 1756, 1920, 2064, 2195, 2580, 2634, 2752, 3440, 3512, 3840, 4128, 4390, 5160, 5268, 5504, 6585, 6880, 7024, 8256, 8780, 10320, 10536, 11008, 13170, 13760, 14048, 16512, 17560, 18877, 20640, 21072, 26340, 27520, 28096, 33024, 35120, 37754, 41280, 42144, 52680, 55040, 56192, 56631, 70240, 75508, 82560, 84288, 94385, 105360, 112384, 113262, 140480, 151016, 165120, 168576, 188770, 210720, 226524, 280960, 283155, 302032, 337152, 377540, 421440, 453048, 561920, 566310, 604064, 755080, 842880, 906096, 1132620, 1208128, 1510160, 1685760, 1812192, 2265240, 2416256, 3020320, 3624384, 4530480, 4832512, 6040640, 7248768, 9060960, 12081280, 14497536, 18121920, 24162560, 36243840, 72487680]

約数ペア:

[(1, 72487680), (2, 36243840), (3, 24162560), (4, 18121920), (5, 14497536), (6, 12081280), (8, 9060960), (10, 7248768), (12, 6040640), (15, 4832512), (16, 4530480), (20, 3624384), (24, 3020320), (30, 2416256), (32, 2265240), (40, 1812192), (43, 1685760), (48, 1510160), (60, 1208128), (64, 1132620), (80, 906096), (86, 842880), (96, 755080), (120, 604064), (128, 566310), (129, 561920), (160, 453048), (172, 421440), (192, 377540), (215, 337152), (240, 302032), (256, 283155), (258, 280960), (320, 226524), (344, 210720), (384, 188770), (430, 168576), (439, 165120), (480, 151016), (516, 140480), (640, 113262), (645, 112384), (688, 105360), (768, 94385), (860, 84288), (878, 82560), (960, 75508), (1032, 70240), (1280, 56631), (1290, 56192), (1317, 55040), (1376, 52680), (1720, 42144), (1756, 41280), (1920, 37754), (2064, 35120), (2195, 33024), (2580, 28096), (2634, 27520), (2752, 26340), (3440, 21072), (3512, 20640), (3840, 18877), (4128, 17560), (4390, 16512), (5160, 14048), (5268, 13760), (5504, 13170), (6585, 11008), (6880, 10536), (7024, 10320), (8256, 8780)]