428705280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:861

約数の個数: 240

約数和(自身を含む): 1551195360

約数和(自身を除く): 1122490080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 512, 552, 576, 640, 690, 720, 736, 768, 809, 828, 920, 960, 1035, 1104, 1152, 1280, 1380, 1440, 1472, 1536, 1618, 1656, 1840, 1920, 2070, 2208, 2304, 2427, 2560, 2760, 2880, 2944, 3236, 3312, 3680, 3840, 4045, 4140, 4416, 4608, 4854, 5520, 5760, 5888, 6472, 6624, 7281, 7360, 7680, 8090, 8280, 8832, 9708, 11040, 11520, 11776, 12135, 12944, 13248, 14562, 14720, 16180, 16560, 17664, 18607, 19416, 22080, 23040, 24270, 25888, 26496, 29124, 29440, 32360, 33120, 35328, 36405, 37214, 38832, 44160, 48540, 51776, 52992, 55821, 58248, 58880, 64720, 66240, 72810, 74428, 77664, 88320, 93035, 97080, 103552, 105984, 111642, 116496, 129440, 132480, 145620, 148856, 155328, 167463, 176640, 186070, 194160, 207104, 223284, 232992, 258880, 264960, 279105, 291240, 297712, 310656, 334926, 372140, 388320, 414208, 446568, 465984, 517760, 529920, 558210, 582480, 595424, 621312, 669852, 744280, 776640, 837315, 893136, 931968, 1035520, 1116420, 1164960, 1190848, 1242624, 1339704, 1488560, 1553280, 1674630, 1786272, 1863936, 2071040, 2232840, 2329920, 2381696, 2679408, 2977120, 3106560, 3349260, 3572544, 3727872, 4465680, 4659840, 4763392, 5358816, 5954240, 6213120, 6698520, 7145088, 8931360, 9319680, 9526784, 10717632, 11908480, 13397040, 14290176, 17862720, 18639360, 21435264, 23816960, 26794080, 28580352, 35725440, 42870528, 47633920, 53588160, 71450880, 85741056, 107176320, 142901760, 214352640, 428705280]

約数ペア:

[(1, 428705280), (2, 214352640), (3, 142901760), (4, 107176320), (5, 85741056), (6, 71450880), (8, 53588160), (9, 47633920), (10, 42870528), (12, 35725440), (15, 28580352), (16, 26794080), (18, 23816960), (20, 21435264), (23, 18639360), (24, 17862720), (30, 14290176), (32, 13397040), (36, 11908480), (40, 10717632), (45, 9526784), (46, 9319680), (48, 8931360), (60, 7145088), (64, 6698520), (69, 6213120), (72, 5954240), (80, 5358816), (90, 4763392), (92, 4659840), (96, 4465680), (115, 3727872), (120, 3572544), (128, 3349260), (138, 3106560), (144, 2977120), (160, 2679408), (180, 2381696), (184, 2329920), (192, 2232840), (207, 2071040), (230, 1863936), (240, 1786272), (256, 1674630), (276, 1553280), (288, 1488560), (320, 1339704), (345, 1242624), (360, 1190848), (368, 1164960), (384, 1116420), (414, 1035520), (460, 931968), (480, 893136), (512, 837315), (552, 776640), (576, 744280), (640, 669852), (690, 621312), (720, 595424), (736, 582480), (768, 558210), (809, 529920), (828, 517760), (920, 465984), (960, 446568), (1035, 414208), (1104, 388320), (1152, 372140), (1280, 334926), (1380, 310656), (1440, 297712), (1472, 291240), (1536, 279105), (1618, 264960), (1656, 258880), (1840, 232992), (1920, 223284), (2070, 207104), (2208, 194160), (2304, 186070), (2427, 176640), (2560, 167463), (2760, 155328), (2880, 148856), (2944, 145620), (3236, 132480), (3312, 129440), (3680, 116496), (3840, 111642), (4045, 105984), (4140, 103552), (4416, 97080), (4608, 93035), (4854, 88320), (5520, 77664), (5760, 74428), (5888, 72810), (6472, 66240), (6624, 64720), (7281, 58880), (7360, 58248), (7680, 55821), (8090, 52992), (8280, 51776), (8832, 48540), (9708, 44160), (11040, 38832), (11520, 37214), (11776, 36405), (12135, 35328), (12944, 33120), (13248, 32360), (14562, 29440), (14720, 29124), (16180, 26496), (16560, 25888), (17664, 24270), (18607, 23040), (19416, 22080)]