72961520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2142

約数の個数: 80

約数和(自身を含む): 186416640

約数和(自身を除く): 113455120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2087, 2185, 3496, 4174, 4370, 6992, 8348, 8740, 10435, 16696, 17480, 20870, 33392, 34960, 39653, 41740, 48001, 79306, 83480, 96002, 158612, 166960, 192004, 198265, 240005, 317224, 384008, 396530, 480010, 634448, 768016, 793060, 912019, 960020, 1586120, 1824038, 1920040, 3172240, 3648076, 3840080, 4560095, 7296152, 9120190, 14592304, 18240380, 36480760, 72961520]

約数ペア:

[(1, 72961520), (2, 36480760), (4, 18240380), (5, 14592304), (8, 9120190), (10, 7296152), (16, 4560095), (19, 3840080), (20, 3648076), (23, 3172240), (38, 1920040), (40, 1824038), (46, 1586120), (76, 960020), (80, 912019), (92, 793060), (95, 768016), (115, 634448), (152, 480010), (184, 396530), (190, 384008), (230, 317224), (304, 240005), (368, 198265), (380, 192004), (437, 166960), (460, 158612), (760, 96002), (874, 83480), (920, 79306), (1520, 48001), (1748, 41740), (1840, 39653), (2087, 34960), (2185, 33392), (3496, 20870), (4174, 17480), (4370, 16696), (6992, 10435), (8348, 8740)]