31184400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2033

約数の個数: 120

約数和(自身を含む): 107632000

約数和(自身を除く): 76447600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 1999, 2600, 3120, 3900, 3998, 5200, 5997, 7800, 7996, 9995, 11994, 15600, 15992, 19990, 23988, 25987, 29985, 31984, 39980, 47976, 49975, 51974, 59970, 77961, 79960, 95952, 99950, 103948, 119940, 129935, 149925, 155922, 159920, 199900, 207896, 239880, 259870, 299850, 311844, 389805, 399800, 415792, 479760, 519740, 599700, 623688, 649675, 779610, 799600, 1039480, 1199400, 1247376, 1299350, 1559220, 1949025, 2078960, 2398800, 2598700, 3118440, 3898050, 5197400, 6236880, 7796100, 10394800, 15592200, 31184400]

約数ペア:

[(1, 31184400), (2, 15592200), (3, 10394800), (4, 7796100), (5, 6236880), (6, 5197400), (8, 3898050), (10, 3118440), (12, 2598700), (13, 2398800), (15, 2078960), (16, 1949025), (20, 1559220), (24, 1299350), (25, 1247376), (26, 1199400), (30, 1039480), (39, 799600), (40, 779610), (48, 649675), (50, 623688), (52, 599700), (60, 519740), (65, 479760), (75, 415792), (78, 399800), (80, 389805), (100, 311844), (104, 299850), (120, 259870), (130, 239880), (150, 207896), (156, 199900), (195, 159920), (200, 155922), (208, 149925), (240, 129935), (260, 119940), (300, 103948), (312, 99950), (325, 95952), (390, 79960), (400, 77961), (520, 59970), (600, 51974), (624, 49975), (650, 47976), (780, 39980), (975, 31984), (1040, 29985), (1200, 25987), (1300, 23988), (1560, 19990), (1950, 15992), (1999, 15600), (2600, 11994), (3120, 9995), (3900, 7996), (3998, 7800), (5200, 5997)]