31265280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 240

約数和(自身を含む): 114903360

約数和(自身を除く): 83638080

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, 59, 60, 64, 69, 72, 80, 90, 92, 96, 115, 118, 120, 128, 138, 144, 160, 177, 180, 184, 192, 207, 230, 236, 240, 256, 276, 288, 295, 320, 345, 354, 360, 368, 384, 414, 460, 472, 480, 512, 531, 552, 576, 590, 640, 690, 708, 720, 736, 768, 828, 885, 920, 944, 960, 1035, 1062, 1104, 1152, 1180, 1280, 1357, 1380, 1416, 1440, 1472, 1536, 1656, 1770, 1840, 1888, 1920, 2070, 2124, 2208, 2304, 2360, 2560, 2655, 2714, 2760, 2832, 2880, 2944, 3312, 3540, 3680, 3776, 3840, 4071, 4140, 4248, 4416, 4608, 4720, 5310, 5428, 5520, 5664, 5760, 5888, 6624, 6785, 7080, 7360, 7552, 7680, 8142, 8280, 8496, 8832, 9440, 10620, 10856, 11040, 11328, 11520, 11776, 12213, 13248, 13570, 14160, 14720, 15104, 16284, 16560, 16992, 17664, 18880, 20355, 21240, 21712, 22080, 22656, 23040, 24426, 26496, 27140, 28320, 29440, 30208, 32568, 33120, 33984, 35328, 37760, 40710, 42480, 43424, 44160, 45312, 48852, 52992, 54280, 56640, 58880, 61065, 65136, 66240, 67968, 75520, 81420, 84960, 86848, 88320, 90624, 97704, 105984, 108560, 113280, 122130, 130272, 132480, 135936, 151040, 162840, 169920, 173696, 176640, 195408, 217120, 226560, 244260, 260544, 264960, 271872, 325680, 339840, 347392, 390816, 434240, 453120, 488520, 521088, 529920, 651360, 679680, 694784, 781632, 868480, 977040, 1042176, 1302720, 1359360, 1563264, 1736960, 1954080, 2084352, 2605440, 3126528, 3473920, 3908160, 5210880, 6253056, 7816320, 10421760, 15632640, 31265280]

約数ペア:

[(1, 31265280), (2, 15632640), (3, 10421760), (4, 7816320), (5, 6253056), (6, 5210880), (8, 3908160), (9, 3473920), (10, 3126528), (12, 2605440), (15, 2084352), (16, 1954080), (18, 1736960), (20, 1563264), (23, 1359360), (24, 1302720), (30, 1042176), (32, 977040), (36, 868480), (40, 781632), (45, 694784), (46, 679680), (48, 651360), (59, 529920), (60, 521088), (64, 488520), (69, 453120), (72, 434240), (80, 390816), (90, 347392), (92, 339840), (96, 325680), (115, 271872), (118, 264960), (120, 260544), (128, 244260), (138, 226560), (144, 217120), (160, 195408), (177, 176640), (180, 173696), (184, 169920), (192, 162840), (207, 151040), (230, 135936), (236, 132480), (240, 130272), (256, 122130), (276, 113280), (288, 108560), (295, 105984), (320, 97704), (345, 90624), (354, 88320), (360, 86848), (368, 84960), (384, 81420), (414, 75520), (460, 67968), (472, 66240), (480, 65136), (512, 61065), (531, 58880), (552, 56640), (576, 54280), (590, 52992), (640, 48852), (690, 45312), (708, 44160), (720, 43424), (736, 42480), (768, 40710), (828, 37760), (885, 35328), (920, 33984), (944, 33120), (960, 32568), (1035, 30208), (1062, 29440), (1104, 28320), (1152, 27140), (1180, 26496), (1280, 24426), (1357, 23040), (1380, 22656), (1416, 22080), (1440, 21712), (1472, 21240), (1536, 20355), (1656, 18880), (1770, 17664), (1840, 16992), (1888, 16560), (1920, 16284), (2070, 15104), (2124, 14720), (2208, 14160), (2304, 13570), (2360, 13248), (2560, 12213), (2655, 11776), (2714, 11520), (2760, 11328), (2832, 11040), (2880, 10856), (2944, 10620), (3312, 9440), (3540, 8832), (3680, 8496), (3776, 8280), (3840, 8142), (4071, 7680), (4140, 7552), (4248, 7360), (4416, 7080), (4608, 6785), (4720, 6624), (5310, 5888), (5428, 5760), (5520, 5664)]