28127520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:424

約数の個数: 192

約数和(自身を含む): 104509440

約数和(自身を除く): 76381920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 340, 360, 383, 408, 432, 459, 480, 510, 540, 544, 612, 680, 720, 765, 766, 816, 864, 918, 1020, 1080, 1149, 1224, 1360, 1440, 1530, 1532, 1632, 1836, 1915, 2040, 2160, 2295, 2298, 2448, 2720, 3060, 3064, 3447, 3672, 3830, 4080, 4320, 4590, 4596, 4896, 5745, 6120, 6128, 6511, 6894, 7344, 7660, 8160, 9180, 9192, 10341, 11490, 12240, 12256, 13022, 13788, 14688, 15320, 17235, 18360, 18384, 19533, 20682, 22980, 24480, 26044, 27576, 30640, 32555, 34470, 36720, 36768, 39066, 41364, 45960, 51705, 52088, 55152, 58599, 61280, 65110, 68940, 73440, 78132, 82728, 91920, 97665, 103410, 104176, 110304, 117198, 130220, 137880, 156264, 165456, 175797, 183840, 195330, 206820, 208352, 234396, 260440, 275760, 292995, 312528, 330912, 351594, 390660, 413640, 468792, 520880, 551520, 585990, 625056, 703188, 781320, 827280, 878985, 937584, 1041760, 1171980, 1406376, 1562640, 1654560, 1757970, 1875168, 2343960, 2812752, 3125280, 3515940, 4687920, 5625504, 7031880, 9375840, 14063760, 28127520]

約数ペア:

[(1, 28127520), (2, 14063760), (3, 9375840), (4, 7031880), (5, 5625504), (6, 4687920), (8, 3515940), (9, 3125280), (10, 2812752), (12, 2343960), (15, 1875168), (16, 1757970), (17, 1654560), (18, 1562640), (20, 1406376), (24, 1171980), (27, 1041760), (30, 937584), (32, 878985), (34, 827280), (36, 781320), (40, 703188), (45, 625056), (48, 585990), (51, 551520), (54, 520880), (60, 468792), (68, 413640), (72, 390660), (80, 351594), (85, 330912), (90, 312528), (96, 292995), (102, 275760), (108, 260440), (120, 234396), (135, 208352), (136, 206820), (144, 195330), (153, 183840), (160, 175797), (170, 165456), (180, 156264), (204, 137880), (216, 130220), (240, 117198), (255, 110304), (270, 104176), (272, 103410), (288, 97665), (306, 91920), (340, 82728), (360, 78132), (383, 73440), (408, 68940), (432, 65110), (459, 61280), (480, 58599), (510, 55152), (540, 52088), (544, 51705), (612, 45960), (680, 41364), (720, 39066), (765, 36768), (766, 36720), (816, 34470), (864, 32555), (918, 30640), (1020, 27576), (1080, 26044), (1149, 24480), (1224, 22980), (1360, 20682), (1440, 19533), (1530, 18384), (1532, 18360), (1632, 17235), (1836, 15320), (1915, 14688), (2040, 13788), (2160, 13022), (2295, 12256), (2298, 12240), (2448, 11490), (2720, 10341), (3060, 9192), (3064, 9180), (3447, 8160), (3672, 7660), (3830, 7344), (4080, 6894), (4320, 6511), (4590, 6128), (4596, 6120), (4896, 5745)]