405397200

素因数分解:

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

素因数の和:2046

約数の個数: 180

約数和(自身を含む): 1406904000

約数和(自身を除く): 1001506800

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, 169, 195, 200, 208, 240, 260, 300, 312, 325, 338, 390, 400, 507, 520, 600, 624, 650, 676, 780, 845, 975, 1014, 1040, 1200, 1300, 1352, 1560, 1690, 1950, 1999, 2028, 2535, 2600, 2704, 3120, 3380, 3900, 3998, 4056, 4225, 5070, 5200, 5997, 6760, 7800, 7996, 8112, 8450, 9995, 10140, 11994, 12675, 13520, 15600, 15992, 16900, 19990, 20280, 23988, 25350, 25987, 29985, 31984, 33800, 39980, 40560, 47976, 49975, 50700, 51974, 59970, 67600, 77961, 79960, 95952, 99950, 101400, 103948, 119940, 129935, 149925, 155922, 159920, 199900, 202800, 207896, 239880, 259870, 299850, 311844, 337831, 389805, 399800, 415792, 479760, 519740, 599700, 623688, 649675, 675662, 779610, 799600, 1013493, 1039480, 1199400, 1247376, 1299350, 1351324, 1559220, 1689155, 1949025, 2026986, 2078960, 2398800, 2598700, 2702648, 3118440, 3378310, 3898050, 4053972, 5067465, 5197400, 5405296, 6236880, 6756620, 7796100, 8107944, 8445775, 10134930, 10394800, 13513240, 15592200, 16215888, 16891550, 20269860, 25337325, 27026480, 31184400, 33783100, 40539720, 50674650, 67566200, 81079440, 101349300, 135132400, 202698600, 405397200]

約数ペア:

[(1, 405397200), (2, 202698600), (3, 135132400), (4, 101349300), (5, 81079440), (6, 67566200), (8, 50674650), (10, 40539720), (12, 33783100), (13, 31184400), (15, 27026480), (16, 25337325), (20, 20269860), (24, 16891550), (25, 16215888), (26, 15592200), (30, 13513240), (39, 10394800), (40, 10134930), (48, 8445775), (50, 8107944), (52, 7796100), (60, 6756620), (65, 6236880), (75, 5405296), (78, 5197400), (80, 5067465), (100, 4053972), (104, 3898050), (120, 3378310), (130, 3118440), (150, 2702648), (156, 2598700), (169, 2398800), (195, 2078960), (200, 2026986), (208, 1949025), (240, 1689155), (260, 1559220), (300, 1351324), (312, 1299350), (325, 1247376), (338, 1199400), (390, 1039480), (400, 1013493), (507, 799600), (520, 779610), (600, 675662), (624, 649675), (650, 623688), (676, 599700), (780, 519740), (845, 479760), (975, 415792), (1014, 399800), (1040, 389805), (1200, 337831), (1300, 311844), (1352, 299850), (1560, 259870), (1690, 239880), (1950, 207896), (1999, 202800), (2028, 199900), (2535, 159920), (2600, 155922), (2704, 149925), (3120, 129935), (3380, 119940), (3900, 103948), (3998, 101400), (4056, 99950), (4225, 95952), (5070, 79960), (5200, 77961), (5997, 67600), (6760, 59970), (7800, 51974), (7996, 50700), (8112, 49975), (8450, 47976), (9995, 40560), (10140, 39980), (11994, 33800), (12675, 31984), (13520, 29985), (15600, 25987), (15992, 25350), (16900, 23988), (19990, 20280)]