639760000

素因数分解:

$2^7\times 5^4\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:772

約数の個数: 160

約数和(自身を含む): 1739818080

約数和(自身を除く): 1100058080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 275, 320, 352, 400, 440, 500, 550, 625, 640, 704, 727, 800, 880, 1000, 1100, 1250, 1375, 1408, 1454, 1600, 1760, 2000, 2200, 2500, 2750, 2908, 3200, 3520, 3635, 4000, 4400, 5000, 5500, 5816, 6875, 7040, 7270, 7997, 8000, 8800, 10000, 11000, 11632, 13750, 14540, 15994, 16000, 17600, 18175, 20000, 22000, 23264, 27500, 29080, 31988, 35200, 36350, 39985, 40000, 44000, 46528, 55000, 58160, 63976, 72700, 79970, 80000, 88000, 90875, 93056, 110000, 116320, 127952, 145400, 159940, 176000, 181750, 199925, 220000, 232640, 255904, 290800, 319880, 363500, 399850, 440000, 454375, 465280, 511808, 581600, 639760, 727000, 799700, 880000, 908750, 999625, 1023616, 1163200, 1279520, 1454000, 1599400, 1817500, 1999250, 2326400, 2559040, 2908000, 3198800, 3635000, 3998500, 4998125, 5118080, 5816000, 6397600, 7270000, 7997000, 9996250, 11632000, 12795200, 14540000, 15994000, 19992500, 25590400, 29080000, 31988000, 39985000, 58160000, 63976000, 79970000, 127952000, 159940000, 319880000, 639760000]

約数ペア:

[(1, 639760000), (2, 319880000), (4, 159940000), (5, 127952000), (8, 79970000), (10, 63976000), (11, 58160000), (16, 39985000), (20, 31988000), (22, 29080000), (25, 25590400), (32, 19992500), (40, 15994000), (44, 14540000), (50, 12795200), (55, 11632000), (64, 9996250), (80, 7997000), (88, 7270000), (100, 6397600), (110, 5816000), (125, 5118080), (128, 4998125), (160, 3998500), (176, 3635000), (200, 3198800), (220, 2908000), (250, 2559040), (275, 2326400), (320, 1999250), (352, 1817500), (400, 1599400), (440, 1454000), (500, 1279520), (550, 1163200), (625, 1023616), (640, 999625), (704, 908750), (727, 880000), (800, 799700), (880, 727000), (1000, 639760), (1100, 581600), (1250, 511808), (1375, 465280), (1408, 454375), (1454, 440000), (1600, 399850), (1760, 363500), (2000, 319880), (2200, 290800), (2500, 255904), (2750, 232640), (2908, 220000), (3200, 199925), (3520, 181750), (3635, 176000), (4000, 159940), (4400, 145400), (5000, 127952), (5500, 116320), (5816, 110000), (6875, 93056), (7040, 90875), (7270, 88000), (7997, 80000), (8000, 79970), (8800, 72700), (10000, 63976), (11000, 58160), (11632, 55000), (13750, 46528), (14540, 44000), (15994, 40000), (16000, 39985), (17600, 36350), (18175, 35200), (20000, 31988), (22000, 29080), (23264, 27500)]