121619160

素因数分解:

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

素因数の和:2042

約数の個数: 144

約数和(自身を含む): 428220000

約数和(自身を除く): 306600840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 1999, 2028, 2340, 2535, 3042, 3380, 3998, 4056, 4680, 5070, 5997, 6084, 6760, 7605, 7996, 9995, 10140, 11994, 12168, 15210, 15992, 17991, 19990, 20280, 23988, 25987, 29985, 30420, 35982, 39980, 47976, 51974, 59970, 60840, 71964, 77961, 79960, 89955, 103948, 119940, 129935, 143928, 155922, 179910, 207896, 233883, 239880, 259870, 311844, 337831, 359820, 389805, 467766, 519740, 623688, 675662, 719640, 779610, 935532, 1013493, 1039480, 1169415, 1351324, 1559220, 1689155, 1871064, 2026986, 2338830, 2702648, 3040479, 3118440, 3378310, 4053972, 4677660, 5067465, 6080958, 6756620, 8107944, 9355320, 10134930, 12161916, 13513240, 15202395, 20269860, 24323832, 30404790, 40539720, 60809580, 121619160]

約数ペア:

[(1, 121619160), (2, 60809580), (3, 40539720), (4, 30404790), (5, 24323832), (6, 20269860), (8, 15202395), (9, 13513240), (10, 12161916), (12, 10134930), (13, 9355320), (15, 8107944), (18, 6756620), (20, 6080958), (24, 5067465), (26, 4677660), (30, 4053972), (36, 3378310), (39, 3118440), (40, 3040479), (45, 2702648), (52, 2338830), (60, 2026986), (65, 1871064), (72, 1689155), (78, 1559220), (90, 1351324), (104, 1169415), (117, 1039480), (120, 1013493), (130, 935532), (156, 779610), (169, 719640), (180, 675662), (195, 623688), (234, 519740), (260, 467766), (312, 389805), (338, 359820), (360, 337831), (390, 311844), (468, 259870), (507, 239880), (520, 233883), (585, 207896), (676, 179910), (780, 155922), (845, 143928), (936, 129935), (1014, 119940), (1170, 103948), (1352, 89955), (1521, 79960), (1560, 77961), (1690, 71964), (1999, 60840), (2028, 59970), (2340, 51974), (2535, 47976), (3042, 39980), (3380, 35982), (3998, 30420), (4056, 29985), (4680, 25987), (5070, 23988), (5997, 20280), (6084, 19990), (6760, 17991), (7605, 15992), (7996, 15210), (9995, 12168), (10140, 11994)]