66821440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 112

約数和(自身を含む): 189902592

約数和(自身を除く): 123081152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1297, 1472, 1610, 1840, 2240, 2576, 2594, 3220, 3680, 5152, 5188, 6440, 6485, 7360, 9079, 10304, 10376, 12880, 12970, 18158, 20752, 25760, 25940, 29831, 36316, 41504, 45395, 51520, 51880, 59662, 72632, 83008, 90790, 103760, 119324, 145264, 149155, 181580, 207520, 208817, 238648, 290528, 298310, 363160, 415040, 417634, 477296, 581056, 596620, 726320, 835268, 954592, 1044085, 1193240, 1452640, 1670536, 1909184, 2088170, 2386480, 2905280, 3341072, 4176340, 4772960, 6682144, 8352680, 9545920, 13364288, 16705360, 33410720, 66821440]

約数ペア:

[(1, 66821440), (2, 33410720), (4, 16705360), (5, 13364288), (7, 9545920), (8, 8352680), (10, 6682144), (14, 4772960), (16, 4176340), (20, 3341072), (23, 2905280), (28, 2386480), (32, 2088170), (35, 1909184), (40, 1670536), (46, 1452640), (56, 1193240), (64, 1044085), (70, 954592), (80, 835268), (92, 726320), (112, 596620), (115, 581056), (140, 477296), (160, 417634), (161, 415040), (184, 363160), (224, 298310), (230, 290528), (280, 238648), (320, 208817), (322, 207520), (368, 181580), (448, 149155), (460, 145264), (560, 119324), (644, 103760), (736, 90790), (805, 83008), (920, 72632), (1120, 59662), (1288, 51880), (1297, 51520), (1472, 45395), (1610, 41504), (1840, 36316), (2240, 29831), (2576, 25940), (2594, 25760), (3220, 20752), (3680, 18158), (5152, 12970), (5188, 12880), (6440, 10376), (6485, 10304), (7360, 9079)]