90167920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 222798240

約数和(自身を除く): 132630320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 380, 433, 548, 685, 760, 866, 1096, 1370, 1520, 1732, 2165, 2192, 2603, 2740, 3464, 4330, 5206, 5480, 6928, 8227, 8660, 10412, 10960, 13015, 16454, 17320, 20824, 26030, 32908, 34640, 41135, 41648, 52060, 59321, 65816, 82270, 104120, 118642, 131632, 164540, 208240, 237284, 296605, 329080, 474568, 593210, 658160, 949136, 1127099, 1186420, 2254198, 2372840, 4508396, 4745680, 5635495, 9016792, 11270990, 18033584, 22541980, 45083960, 90167920]

約数ペア:

[(1, 90167920), (2, 45083960), (4, 22541980), (5, 18033584), (8, 11270990), (10, 9016792), (16, 5635495), (19, 4745680), (20, 4508396), (38, 2372840), (40, 2254198), (76, 1186420), (80, 1127099), (95, 949136), (137, 658160), (152, 593210), (190, 474568), (274, 329080), (304, 296605), (380, 237284), (433, 208240), (548, 164540), (685, 131632), (760, 118642), (866, 104120), (1096, 82270), (1370, 65816), (1520, 59321), (1732, 52060), (2165, 41648), (2192, 41135), (2603, 34640), (2740, 32908), (3464, 26030), (4330, 20824), (5206, 17320), (5480, 16454), (6928, 13015), (8227, 10960), (8660, 10412)]