636161280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{165667}}^1$

素因数の和:165691

約数の個数: 72

約数和(自身を含む): 2031752352

約数和(自身を除く): 1395591072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 165667, 331334, 497001, 662668, 828335, 994002, 1325336, 1656670, 1988004, 2485005, 2650672, 3313340, 3976008, 4970010, 5301344, 6626680, 7952016, 9940020, 10602688, 13253360, 15904032, 19880040, 21205376, 26506720, 31808064, 39760080, 42410752, 53013440, 63616128, 79520160, 106026880, 127232256, 159040320, 212053760, 318080640, 636161280]

約数ペア:

[(1, 636161280), (2, 318080640), (3, 212053760), (4, 159040320), (5, 127232256), (6, 106026880), (8, 79520160), (10, 63616128), (12, 53013440), (15, 42410752), (16, 39760080), (20, 31808064), (24, 26506720), (30, 21205376), (32, 19880040), (40, 15904032), (48, 13253360), (60, 10602688), (64, 9940020), (80, 7952016), (96, 6626680), (120, 5301344), (128, 4970010), (160, 3976008), (192, 3313340), (240, 2650672), (256, 2485005), (320, 1988004), (384, 1656670), (480, 1325336), (640, 994002), (768, 828335), (960, 662668), (1280, 497001), (1920, 331334), (3840, 165667)]