90640000

素因数分解:

$2^7\times 5^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 160

約数和(自身を含む): 248545440

約数和(自身を除く): 157905440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 103, 110, 125, 128, 160, 176, 200, 206, 220, 250, 275, 320, 352, 400, 412, 440, 500, 515, 550, 625, 640, 704, 800, 824, 880, 1000, 1030, 1100, 1133, 1250, 1375, 1408, 1600, 1648, 1760, 2000, 2060, 2200, 2266, 2500, 2575, 2750, 3200, 3296, 3520, 4000, 4120, 4400, 4532, 5000, 5150, 5500, 5665, 6592, 6875, 7040, 8000, 8240, 8800, 9064, 10000, 10300, 11000, 11330, 12875, 13184, 13750, 16000, 16480, 17600, 18128, 20000, 20600, 22000, 22660, 25750, 27500, 28325, 32960, 35200, 36256, 40000, 41200, 44000, 45320, 51500, 55000, 56650, 64375, 65920, 72512, 80000, 82400, 88000, 90640, 103000, 110000, 113300, 128750, 141625, 145024, 164800, 176000, 181280, 206000, 220000, 226600, 257500, 283250, 329600, 362560, 412000, 440000, 453200, 515000, 566500, 708125, 725120, 824000, 880000, 906400, 1030000, 1133000, 1416250, 1648000, 1812800, 2060000, 2266000, 2832500, 3625600, 4120000, 4532000, 5665000, 8240000, 9064000, 11330000, 18128000, 22660000, 45320000, 90640000]

約数ペア:

[(1, 90640000), (2, 45320000), (4, 22660000), (5, 18128000), (8, 11330000), (10, 9064000), (11, 8240000), (16, 5665000), (20, 4532000), (22, 4120000), (25, 3625600), (32, 2832500), (40, 2266000), (44, 2060000), (50, 1812800), (55, 1648000), (64, 1416250), (80, 1133000), (88, 1030000), (100, 906400), (103, 880000), (110, 824000), (125, 725120), (128, 708125), (160, 566500), (176, 515000), (200, 453200), (206, 440000), (220, 412000), (250, 362560), (275, 329600), (320, 283250), (352, 257500), (400, 226600), (412, 220000), (440, 206000), (500, 181280), (515, 176000), (550, 164800), (625, 145024), (640, 141625), (704, 128750), (800, 113300), (824, 110000), (880, 103000), (1000, 90640), (1030, 88000), (1100, 82400), (1133, 80000), (1250, 72512), (1375, 65920), (1408, 64375), (1600, 56650), (1648, 55000), (1760, 51500), (2000, 45320), (2060, 44000), (2200, 41200), (2266, 40000), (2500, 36256), (2575, 35200), (2750, 32960), (3200, 28325), (3296, 27500), (3520, 25750), (4000, 22660), (4120, 22000), (4400, 20600), (4532, 20000), (5000, 18128), (5150, 17600), (5500, 16480), (5665, 16000), (6592, 13750), (6875, 13184), (7040, 12875), (8000, 11330), (8240, 11000), (8800, 10300), (9064, 10000)]