399831840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16333}}^1$

素因数の和:16371

約数の個数: 144

約数和(自身を含む): 1444774968

約数和(自身を除く): 1044943128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 6120, 8160, 12240, 16333, 24480, 32666, 48999, 65332, 81665, 97998, 130664, 146997, 163330, 195996, 244995, 261328, 277661, 293994, 326660, 391992, 489990, 522656, 555322, 587988, 653320, 734985, 783984, 832983, 979980, 1110644, 1175976, 1306640, 1388305, 1469970, 1567968, 1665966, 1959960, 2221288, 2351952, 2498949, 2613280, 2776610, 2939940, 3331932, 3919920, 4164915, 4442576, 4703904, 4997898, 5553220, 5879880, 6663864, 7839840, 8329830, 8885152, 9995796, 11106440, 11759760, 12494745, 13327728, 16659660, 19991592, 22212880, 23519520, 24989490, 26655456, 33319320, 39983184, 44425760, 49978980, 66638640, 79966368, 99957960, 133277280, 199915920, 399831840]

約数ペア:

[(1, 399831840), (2, 199915920), (3, 133277280), (4, 99957960), (5, 79966368), (6, 66638640), (8, 49978980), (9, 44425760), (10, 39983184), (12, 33319320), (15, 26655456), (16, 24989490), (17, 23519520), (18, 22212880), (20, 19991592), (24, 16659660), (30, 13327728), (32, 12494745), (34, 11759760), (36, 11106440), (40, 9995796), (45, 8885152), (48, 8329830), (51, 7839840), (60, 6663864), (68, 5879880), (72, 5553220), (80, 4997898), (85, 4703904), (90, 4442576), (96, 4164915), (102, 3919920), (120, 3331932), (136, 2939940), (144, 2776610), (153, 2613280), (160, 2498949), (170, 2351952), (180, 2221288), (204, 1959960), (240, 1665966), (255, 1567968), (272, 1469970), (288, 1388305), (306, 1306640), (340, 1175976), (360, 1110644), (408, 979980), (480, 832983), (510, 783984), (544, 734985), (612, 653320), (680, 587988), (720, 555322), (765, 522656), (816, 489990), (1020, 391992), (1224, 326660), (1360, 293994), (1440, 277661), (1530, 261328), (1632, 244995), (2040, 195996), (2448, 163330), (2720, 146997), (3060, 130664), (4080, 97998), (4896, 81665), (6120, 65332), (8160, 48999), (12240, 32666), (16333, 24480)]