68765600

素因数分解:

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

素因数の和:2062

約数の個数: 72

約数和(自身を含む): 171864000

約数和(自身を除く): 103098400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1720, 1999, 2150, 3440, 3998, 4300, 6880, 7996, 8600, 9995, 15992, 17200, 19990, 31984, 34400, 39980, 49975, 63968, 79960, 85957, 99950, 159920, 171914, 199900, 319840, 343828, 399800, 429785, 687656, 799600, 859570, 1375312, 1599200, 1719140, 2148925, 2750624, 3438280, 4297850, 6876560, 8595700, 13753120, 17191400, 34382800, 68765600]

約数ペア:

[(1, 68765600), (2, 34382800), (4, 17191400), (5, 13753120), (8, 8595700), (10, 6876560), (16, 4297850), (20, 3438280), (25, 2750624), (32, 2148925), (40, 1719140), (43, 1599200), (50, 1375312), (80, 859570), (86, 799600), (100, 687656), (160, 429785), (172, 399800), (200, 343828), (215, 319840), (344, 199900), (400, 171914), (430, 159920), (688, 99950), (800, 85957), (860, 79960), (1075, 63968), (1376, 49975), (1720, 39980), (1999, 34400), (2150, 31984), (3440, 19990), (3998, 17200), (4300, 15992), (6880, 9995), (7996, 8600)]