198620640

素因数分解:

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

素因数の和:2046

約数の個数: 192

約数和(自身を含む): 725760000

約数和(自身を除く): 527139360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 207, 216, 230, 240, 270, 276, 288, 345, 360, 368, 414, 432, 460, 480, 540, 552, 621, 690, 720, 736, 828, 864, 920, 1035, 1080, 1104, 1242, 1380, 1440, 1656, 1840, 1999, 2070, 2160, 2208, 2484, 2760, 3105, 3312, 3680, 3998, 4140, 4320, 4968, 5520, 5997, 6210, 6624, 7996, 8280, 9936, 9995, 11040, 11994, 12420, 15992, 16560, 17991, 19872, 19990, 23988, 24840, 29985, 31984, 33120, 35982, 39980, 45977, 47976, 49680, 53973, 59970, 63968, 71964, 79960, 89955, 91954, 95952, 99360, 107946, 119940, 137931, 143928, 159920, 179910, 183908, 191904, 215892, 229885, 239880, 269865, 275862, 287856, 319840, 359820, 367816, 413793, 431784, 459770, 479760, 539730, 551724, 575712, 689655, 719640, 735632, 827586, 863568, 919540, 959520, 1079460, 1103448, 1241379, 1379310, 1439280, 1471264, 1655172, 1727136, 1839080, 2068965, 2158920, 2206896, 2482758, 2758620, 2878560, 3310344, 3678160, 4137930, 4317840, 4413792, 4965516, 5517240, 6206895, 6620688, 7356320, 8275860, 8635680, 9931032, 11034480, 12413790, 13241376, 16551720, 19862064, 22068960, 24827580, 33103440, 39724128, 49655160, 66206880, 99310320, 198620640]

約数ペア:

[(1, 198620640), (2, 99310320), (3, 66206880), (4, 49655160), (5, 39724128), (6, 33103440), (8, 24827580), (9, 22068960), (10, 19862064), (12, 16551720), (15, 13241376), (16, 12413790), (18, 11034480), (20, 9931032), (23, 8635680), (24, 8275860), (27, 7356320), (30, 6620688), (32, 6206895), (36, 5517240), (40, 4965516), (45, 4413792), (46, 4317840), (48, 4137930), (54, 3678160), (60, 3310344), (69, 2878560), (72, 2758620), (80, 2482758), (90, 2206896), (92, 2158920), (96, 2068965), (108, 1839080), (115, 1727136), (120, 1655172), (135, 1471264), (138, 1439280), (144, 1379310), (160, 1241379), (180, 1103448), (184, 1079460), (207, 959520), (216, 919540), (230, 863568), (240, 827586), (270, 735632), (276, 719640), (288, 689655), (345, 575712), (360, 551724), (368, 539730), (414, 479760), (432, 459770), (460, 431784), (480, 413793), (540, 367816), (552, 359820), (621, 319840), (690, 287856), (720, 275862), (736, 269865), (828, 239880), (864, 229885), (920, 215892), (1035, 191904), (1080, 183908), (1104, 179910), (1242, 159920), (1380, 143928), (1440, 137931), (1656, 119940), (1840, 107946), (1999, 99360), (2070, 95952), (2160, 91954), (2208, 89955), (2484, 79960), (2760, 71964), (3105, 63968), (3312, 59970), (3680, 53973), (3998, 49680), (4140, 47976), (4320, 45977), (4968, 39980), (5520, 35982), (5997, 33120), (6210, 31984), (6624, 29985), (7996, 24840), (8280, 23988), (9936, 19990), (9995, 19872), (11040, 17991), (11994, 16560), (12420, 15992)]