397417920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 224

約数和(自身を含む): 1351848960

約数和(自身を除く): 954431040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 48, 60, 64, 69, 80, 82, 92, 96, 115, 120, 123, 138, 160, 164, 184, 192, 205, 230, 240, 246, 276, 320, 328, 345, 368, 410, 439, 460, 480, 492, 552, 615, 656, 690, 736, 820, 878, 920, 943, 960, 984, 1104, 1230, 1312, 1317, 1380, 1472, 1640, 1756, 1840, 1886, 1968, 2195, 2208, 2460, 2624, 2634, 2760, 2829, 3280, 3512, 3680, 3772, 3936, 4390, 4416, 4715, 4920, 5268, 5520, 5658, 6560, 6585, 7024, 7360, 7544, 7872, 8780, 9430, 9840, 10097, 10536, 11040, 11316, 13120, 13170, 14048, 14145, 15088, 17560, 17999, 18860, 19680, 20194, 21072, 22080, 22632, 26340, 28096, 28290, 30176, 30291, 35120, 35998, 37720, 39360, 40388, 42144, 45264, 50485, 52680, 53997, 56580, 60352, 60582, 70240, 71996, 75440, 80776, 84288, 89995, 90528, 100970, 105360, 107994, 113160, 121164, 140480, 143992, 150880, 151455, 161552, 179990, 181056, 201940, 210720, 215988, 226320, 242328, 269985, 287984, 301760, 302910, 323104, 359980, 403880, 413977, 421440, 431976, 452640, 484656, 539970, 575968, 605820, 646208, 719960, 807760, 827954, 863952, 905280, 969312, 1079940, 1151936, 1211640, 1241931, 1439920, 1615520, 1655908, 1727904, 1938624, 2069885, 2159880, 2423280, 2483862, 2879840, 3231040, 3311816, 3455808, 4139770, 4319760, 4846560, 4967724, 5759680, 6209655, 6623632, 8279540, 8639520, 9693120, 9935448, 12419310, 13247264, 16559080, 17279040, 19870896, 24838620, 26494528, 33118160, 39741792, 49677240, 66236320, 79483584, 99354480, 132472640, 198708960, 397417920]

約数ペア:

[(1, 397417920), (2, 198708960), (3, 132472640), (4, 99354480), (5, 79483584), (6, 66236320), (8, 49677240), (10, 39741792), (12, 33118160), (15, 26494528), (16, 24838620), (20, 19870896), (23, 17279040), (24, 16559080), (30, 13247264), (32, 12419310), (40, 9935448), (41, 9693120), (46, 8639520), (48, 8279540), (60, 6623632), (64, 6209655), (69, 5759680), (80, 4967724), (82, 4846560), (92, 4319760), (96, 4139770), (115, 3455808), (120, 3311816), (123, 3231040), (138, 2879840), (160, 2483862), (164, 2423280), (184, 2159880), (192, 2069885), (205, 1938624), (230, 1727904), (240, 1655908), (246, 1615520), (276, 1439920), (320, 1241931), (328, 1211640), (345, 1151936), (368, 1079940), (410, 969312), (439, 905280), (460, 863952), (480, 827954), (492, 807760), (552, 719960), (615, 646208), (656, 605820), (690, 575968), (736, 539970), (820, 484656), (878, 452640), (920, 431976), (943, 421440), (960, 413977), (984, 403880), (1104, 359980), (1230, 323104), (1312, 302910), (1317, 301760), (1380, 287984), (1472, 269985), (1640, 242328), (1756, 226320), (1840, 215988), (1886, 210720), (1968, 201940), (2195, 181056), (2208, 179990), (2460, 161552), (2624, 151455), (2634, 150880), (2760, 143992), (2829, 140480), (3280, 121164), (3512, 113160), (3680, 107994), (3772, 105360), (3936, 100970), (4390, 90528), (4416, 89995), (4715, 84288), (4920, 80776), (5268, 75440), (5520, 71996), (5658, 70240), (6560, 60582), (6585, 60352), (7024, 56580), (7360, 53997), (7544, 52680), (7872, 50485), (8780, 45264), (9430, 42144), (9840, 40388), (10097, 39360), (10536, 37720), (11040, 35998), (11316, 35120), (13120, 30291), (13170, 30176), (14048, 28290), (14145, 28096), (15088, 26340), (17560, 22632), (17999, 22080), (18860, 21072), (19680, 20194)]