28438560

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 103420800

約数和(自身を除く): 74982240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 174, 180, 216, 227, 232, 240, 261, 270, 288, 290, 348, 360, 432, 435, 454, 464, 480, 522, 540, 580, 681, 696, 720, 783, 864, 870, 908, 928, 1044, 1080, 1135, 1160, 1305, 1362, 1392, 1440, 1566, 1740, 1816, 2043, 2088, 2160, 2270, 2320, 2610, 2724, 2784, 3132, 3405, 3480, 3632, 3915, 4086, 4176, 4320, 4540, 4640, 5220, 5448, 6129, 6264, 6583, 6810, 6960, 7264, 7830, 8172, 8352, 9080, 10215, 10440, 10896, 12258, 12528, 13166, 13620, 13920, 15660, 16344, 18160, 19749, 20430, 20880, 21792, 24516, 25056, 26332, 27240, 30645, 31320, 32688, 32915, 36320, 39498, 40860, 41760, 49032, 52664, 54480, 59247, 61290, 62640, 65376, 65830, 78996, 81720, 98064, 98745, 105328, 108960, 118494, 122580, 125280, 131660, 157992, 163440, 177741, 196128, 197490, 210656, 236988, 245160, 263320, 296235, 315984, 326880, 355482, 394980, 473976, 490320, 526640, 592470, 631968, 710964, 789960, 888705, 947952, 980640, 1053280, 1184940, 1421928, 1579920, 1777410, 1895904, 2369880, 2843856, 3159840, 3554820, 4739760, 5687712, 7109640, 9479520, 14219280, 28438560]

約数ペア:

[(1, 28438560), (2, 14219280), (3, 9479520), (4, 7109640), (5, 5687712), (6, 4739760), (8, 3554820), (9, 3159840), (10, 2843856), (12, 2369880), (15, 1895904), (16, 1777410), (18, 1579920), (20, 1421928), (24, 1184940), (27, 1053280), (29, 980640), (30, 947952), (32, 888705), (36, 789960), (40, 710964), (45, 631968), (48, 592470), (54, 526640), (58, 490320), (60, 473976), (72, 394980), (80, 355482), (87, 326880), (90, 315984), (96, 296235), (108, 263320), (116, 245160), (120, 236988), (135, 210656), (144, 197490), (145, 196128), (160, 177741), (174, 163440), (180, 157992), (216, 131660), (227, 125280), (232, 122580), (240, 118494), (261, 108960), (270, 105328), (288, 98745), (290, 98064), (348, 81720), (360, 78996), (432, 65830), (435, 65376), (454, 62640), (464, 61290), (480, 59247), (522, 54480), (540, 52664), (580, 49032), (681, 41760), (696, 40860), (720, 39498), (783, 36320), (864, 32915), (870, 32688), (908, 31320), (928, 30645), (1044, 27240), (1080, 26332), (1135, 25056), (1160, 24516), (1305, 21792), (1362, 20880), (1392, 20430), (1440, 19749), (1566, 18160), (1740, 16344), (1816, 15660), (2043, 13920), (2088, 13620), (2160, 13166), (2270, 12528), (2320, 12258), (2610, 10896), (2724, 10440), (2784, 10215), (3132, 9080), (3405, 8352), (3480, 8172), (3632, 7830), (3915, 7264), (4086, 6960), (4176, 6810), (4320, 6583), (4540, 6264), (4640, 6129), (5220, 5448)]