28853760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 240

約数和(自身を含む): 105524496

約数和(自身を除く): 76670736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 195, 204, 208, 221, 240, 255, 256, 260, 272, 289, 312, 320, 340, 384, 390, 408, 416, 442, 480, 510, 512, 520, 544, 578, 624, 640, 663, 680, 768, 780, 816, 832, 867, 884, 960, 1020, 1040, 1088, 1105, 1156, 1248, 1280, 1326, 1360, 1445, 1536, 1560, 1632, 1664, 1734, 1768, 1920, 2040, 2080, 2176, 2210, 2312, 2496, 2560, 2652, 2720, 2890, 3120, 3264, 3315, 3328, 3468, 3536, 3757, 3840, 4080, 4160, 4335, 4352, 4420, 4624, 4992, 5304, 5440, 5780, 6240, 6528, 6630, 6656, 6936, 7072, 7514, 7680, 8160, 8320, 8670, 8704, 8840, 9248, 9984, 10608, 10880, 11271, 11560, 12480, 13056, 13260, 13872, 14144, 15028, 16320, 16640, 17340, 17680, 18496, 18785, 19968, 21216, 21760, 22542, 23120, 24960, 26112, 26520, 27744, 28288, 30056, 32640, 33280, 34680, 35360, 36992, 37570, 42432, 43520, 45084, 46240, 49920, 53040, 55488, 56355, 56576, 60112, 65280, 69360, 70720, 73984, 75140, 84864, 90168, 92480, 99840, 106080, 110976, 112710, 113152, 120224, 130560, 138720, 141440, 147968, 150280, 169728, 180336, 184960, 212160, 221952, 225420, 240448, 277440, 282880, 300560, 339456, 360672, 369920, 424320, 443904, 450840, 480896, 554880, 565760, 601120, 721344, 739840, 848640, 901680, 961792, 1109760, 1202240, 1442688, 1697280, 1803360, 1923584, 2219520, 2404480, 2885376, 3606720, 4808960, 5770752, 7213440, 9617920, 14426880, 28853760]

約数ペア:

[(1, 28853760), (2, 14426880), (3, 9617920), (4, 7213440), (5, 5770752), (6, 4808960), (8, 3606720), (10, 2885376), (12, 2404480), (13, 2219520), (15, 1923584), (16, 1803360), (17, 1697280), (20, 1442688), (24, 1202240), (26, 1109760), (30, 961792), (32, 901680), (34, 848640), (39, 739840), (40, 721344), (48, 601120), (51, 565760), (52, 554880), (60, 480896), (64, 450840), (65, 443904), (68, 424320), (78, 369920), (80, 360672), (85, 339456), (96, 300560), (102, 282880), (104, 277440), (120, 240448), (128, 225420), (130, 221952), (136, 212160), (156, 184960), (160, 180336), (170, 169728), (192, 150280), (195, 147968), (204, 141440), (208, 138720), (221, 130560), (240, 120224), (255, 113152), (256, 112710), (260, 110976), (272, 106080), (289, 99840), (312, 92480), (320, 90168), (340, 84864), (384, 75140), (390, 73984), (408, 70720), (416, 69360), (442, 65280), (480, 60112), (510, 56576), (512, 56355), (520, 55488), (544, 53040), (578, 49920), (624, 46240), (640, 45084), (663, 43520), (680, 42432), (768, 37570), (780, 36992), (816, 35360), (832, 34680), (867, 33280), (884, 32640), (960, 30056), (1020, 28288), (1040, 27744), (1088, 26520), (1105, 26112), (1156, 24960), (1248, 23120), (1280, 22542), (1326, 21760), (1360, 21216), (1445, 19968), (1536, 18785), (1560, 18496), (1632, 17680), (1664, 17340), (1734, 16640), (1768, 16320), (1920, 15028), (2040, 14144), (2080, 13872), (2176, 13260), (2210, 13056), (2312, 12480), (2496, 11560), (2560, 11271), (2652, 10880), (2720, 10608), (2890, 9984), (3120, 9248), (3264, 8840), (3315, 8704), (3328, 8670), (3468, 8320), (3536, 8160), (3757, 7680), (3840, 7514), (4080, 7072), (4160, 6936), (4335, 6656), (4352, 6630), (4420, 6528), (4624, 6240), (4992, 5780), (5304, 5440)]