66206880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2043

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 169665120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 1999, 2070, 2208, 2760, 3312, 3680, 3998, 4140, 5520, 5997, 6624, 7996, 8280, 9995, 11040, 11994, 15992, 16560, 17991, 19990, 23988, 29985, 31984, 33120, 35982, 39980, 45977, 47976, 59970, 63968, 71964, 79960, 89955, 91954, 95952, 119940, 137931, 143928, 159920, 179910, 183908, 191904, 229885, 239880, 275862, 287856, 319840, 359820, 367816, 413793, 459770, 479760, 551724, 575712, 689655, 719640, 735632, 827586, 919540, 959520, 1103448, 1379310, 1439280, 1471264, 1655172, 1839080, 2068965, 2206896, 2758620, 2878560, 3310344, 3678160, 4137930, 4413792, 5517240, 6620688, 7356320, 8275860, 11034480, 13241376, 16551720, 22068960, 33103440, 66206880]

約数ペア:

[(1, 66206880), (2, 33103440), (3, 22068960), (4, 16551720), (5, 13241376), (6, 11034480), (8, 8275860), (9, 7356320), (10, 6620688), (12, 5517240), (15, 4413792), (16, 4137930), (18, 3678160), (20, 3310344), (23, 2878560), (24, 2758620), (30, 2206896), (32, 2068965), (36, 1839080), (40, 1655172), (45, 1471264), (46, 1439280), (48, 1379310), (60, 1103448), (69, 959520), (72, 919540), (80, 827586), (90, 735632), (92, 719640), (96, 689655), (115, 575712), (120, 551724), (138, 479760), (144, 459770), (160, 413793), (180, 367816), (184, 359820), (207, 319840), (230, 287856), (240, 275862), (276, 239880), (288, 229885), (345, 191904), (360, 183908), (368, 179910), (414, 159920), (460, 143928), (480, 137931), (552, 119940), (690, 95952), (720, 91954), (736, 89955), (828, 79960), (920, 71964), (1035, 63968), (1104, 59970), (1380, 47976), (1440, 45977), (1656, 39980), (1840, 35982), (1999, 33120), (2070, 31984), (2208, 29985), (2760, 23988), (3312, 19990), (3680, 17991), (3998, 16560), (4140, 15992), (5520, 11994), (5997, 11040), (6624, 9995), (7996, 8280)]