123778080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 144

約数和(自身を含む): 432432000

約数和(自身を除く): 308653920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 1999, 2064, 2580, 3096, 3440, 3870, 3998, 4128, 5160, 5997, 6192, 6880, 7740, 7996, 9995, 10320, 11994, 12384, 15480, 15992, 17991, 19990, 20640, 23988, 29985, 30960, 31984, 35982, 39980, 47976, 59970, 61920, 63968, 71964, 79960, 85957, 89955, 95952, 119940, 143928, 159920, 171914, 179910, 191904, 239880, 257871, 287856, 319840, 343828, 359820, 429785, 479760, 515742, 575712, 687656, 719640, 773613, 859570, 959520, 1031484, 1289355, 1375312, 1439280, 1547226, 1719140, 2062968, 2578710, 2750624, 2878560, 3094452, 3438280, 3868065, 4125936, 5157420, 6188904, 6876560, 7736130, 8251872, 10314840, 12377808, 13753120, 15472260, 20629680, 24755616, 30944520, 41259360, 61889040, 123778080]

約数ペア:

[(1, 123778080), (2, 61889040), (3, 41259360), (4, 30944520), (5, 24755616), (6, 20629680), (8, 15472260), (9, 13753120), (10, 12377808), (12, 10314840), (15, 8251872), (16, 7736130), (18, 6876560), (20, 6188904), (24, 5157420), (30, 4125936), (32, 3868065), (36, 3438280), (40, 3094452), (43, 2878560), (45, 2750624), (48, 2578710), (60, 2062968), (72, 1719140), (80, 1547226), (86, 1439280), (90, 1375312), (96, 1289355), (120, 1031484), (129, 959520), (144, 859570), (160, 773613), (172, 719640), (180, 687656), (215, 575712), (240, 515742), (258, 479760), (288, 429785), (344, 359820), (360, 343828), (387, 319840), (430, 287856), (480, 257871), (516, 239880), (645, 191904), (688, 179910), (720, 171914), (774, 159920), (860, 143928), (1032, 119940), (1290, 95952), (1376, 89955), (1440, 85957), (1548, 79960), (1720, 71964), (1935, 63968), (1999, 61920), (2064, 59970), (2580, 47976), (3096, 39980), (3440, 35982), (3870, 31984), (3998, 30960), (4128, 29985), (5160, 23988), (5997, 20640), (6192, 19990), (6880, 17991), (7740, 15992), (7996, 15480), (9995, 12384), (10320, 11994)]