39985920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 288

約数和(自身を含む): 154526400

約数和(自身を除く): 114540480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 89, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 178, 180, 192, 195, 208, 216, 234, 240, 256, 260, 267, 270, 288, 312, 320, 351, 356, 360, 384, 390, 416, 432, 445, 468, 480, 520, 534, 540, 576, 585, 624, 640, 702, 712, 720, 768, 780, 801, 832, 864, 890, 936, 960, 1040, 1068, 1080, 1152, 1157, 1170, 1248, 1280, 1335, 1404, 1424, 1440, 1560, 1602, 1664, 1728, 1755, 1780, 1872, 1920, 2080, 2136, 2160, 2304, 2314, 2340, 2403, 2496, 2670, 2808, 2848, 2880, 3120, 3204, 3328, 3456, 3471, 3510, 3560, 3744, 3840, 4005, 4160, 4272, 4320, 4628, 4680, 4806, 4992, 5340, 5616, 5696, 5760, 5785, 6240, 6408, 6912, 6942, 7020, 7120, 7488, 8010, 8320, 8544, 8640, 9256, 9360, 9612, 9984, 10413, 10680, 11232, 11392, 11520, 11570, 12015, 12480, 12816, 13884, 14040, 14240, 14976, 16020, 16640, 17088, 17280, 17355, 18512, 18720, 19224, 20826, 21360, 22464, 22784, 23140, 24030, 24960, 25632, 27768, 28080, 28480, 29952, 31239, 32040, 34176, 34560, 34710, 37024, 37440, 38448, 41652, 42720, 44928, 46280, 48060, 49920, 51264, 52065, 55536, 56160, 56960, 62478, 64080, 68352, 69420, 74048, 74880, 76896, 83304, 85440, 89856, 92560, 96120, 102528, 104130, 111072, 112320, 113920, 124956, 128160, 138840, 148096, 149760, 153792, 156195, 166608, 170880, 185120, 192240, 205056, 208260, 222144, 224640, 249912, 256320, 277680, 296192, 307584, 312390, 333216, 341760, 370240, 384480, 416520, 444288, 449280, 499824, 512640, 555360, 615168, 624780, 666432, 740480, 768960, 833040, 888576, 999648, 1025280, 1110720, 1249560, 1332864, 1480960, 1537920, 1666080, 1999296, 2221440, 2499120, 2665728, 3075840, 3332160, 3998592, 4442880, 4998240, 6664320, 7997184, 9996480, 13328640, 19992960, 39985920]

約数ペア:

[(1, 39985920), (2, 19992960), (3, 13328640), (4, 9996480), (5, 7997184), (6, 6664320), (8, 4998240), (9, 4442880), (10, 3998592), (12, 3332160), (13, 3075840), (15, 2665728), (16, 2499120), (18, 2221440), (20, 1999296), (24, 1666080), (26, 1537920), (27, 1480960), (30, 1332864), (32, 1249560), (36, 1110720), (39, 1025280), (40, 999648), (45, 888576), (48, 833040), (52, 768960), (54, 740480), (60, 666432), (64, 624780), (65, 615168), (72, 555360), (78, 512640), (80, 499824), (89, 449280), (90, 444288), (96, 416520), (104, 384480), (108, 370240), (117, 341760), (120, 333216), (128, 312390), (130, 307584), (135, 296192), (144, 277680), (156, 256320), (160, 249912), (178, 224640), (180, 222144), (192, 208260), (195, 205056), (208, 192240), (216, 185120), (234, 170880), (240, 166608), (256, 156195), (260, 153792), (267, 149760), (270, 148096), (288, 138840), (312, 128160), (320, 124956), (351, 113920), (356, 112320), (360, 111072), (384, 104130), (390, 102528), (416, 96120), (432, 92560), (445, 89856), (468, 85440), (480, 83304), (520, 76896), (534, 74880), (540, 74048), (576, 69420), (585, 68352), (624, 64080), (640, 62478), (702, 56960), (712, 56160), (720, 55536), (768, 52065), (780, 51264), (801, 49920), (832, 48060), (864, 46280), (890, 44928), (936, 42720), (960, 41652), (1040, 38448), (1068, 37440), (1080, 37024), (1152, 34710), (1157, 34560), (1170, 34176), (1248, 32040), (1280, 31239), (1335, 29952), (1404, 28480), (1424, 28080), (1440, 27768), (1560, 25632), (1602, 24960), (1664, 24030), (1728, 23140), (1755, 22784), (1780, 22464), (1872, 21360), (1920, 20826), (2080, 19224), (2136, 18720), (2160, 18512), (2304, 17355), (2314, 17280), (2340, 17088), (2403, 16640), (2496, 16020), (2670, 14976), (2808, 14240), (2848, 14040), (2880, 13884), (3120, 12816), (3204, 12480), (3328, 12015), (3456, 11570), (3471, 11520), (3510, 11392), (3560, 11232), (3744, 10680), (3840, 10413), (4005, 9984), (4160, 9612), (4272, 9360), (4320, 9256), (4628, 8640), (4680, 8544), (4806, 8320), (4992, 8010), (5340, 7488), (5616, 7120), (5696, 7020), (5760, 6942), (5785, 6912), (6240, 6408)]