31999680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 168

約数和(自身を含む): 113166144

約数和(自身を除く): 81166464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 192, 205, 240, 246, 271, 288, 320, 328, 360, 369, 410, 480, 492, 542, 576, 615, 656, 720, 738, 813, 820, 960, 984, 1084, 1230, 1312, 1355, 1440, 1476, 1626, 1640, 1845, 1968, 2168, 2439, 2460, 2624, 2710, 2880, 2952, 3252, 3280, 3690, 3936, 4065, 4336, 4878, 4920, 5420, 5904, 6504, 6560, 7380, 7872, 8130, 8672, 9756, 9840, 10840, 11111, 11808, 12195, 13008, 13120, 14760, 16260, 17344, 19512, 19680, 21680, 22222, 23616, 24390, 26016, 29520, 32520, 33333, 39024, 39360, 43360, 44444, 48780, 52032, 55555, 59040, 65040, 66666, 78048, 86720, 88888, 97560, 99999, 111110, 118080, 130080, 133332, 156096, 166665, 177776, 195120, 199998, 222220, 260160, 266664, 333330, 355552, 390240, 399996, 444440, 499995, 533328, 666660, 711104, 780480, 799992, 888880, 999990, 1066656, 1333320, 1599984, 1777760, 1999980, 2133312, 2666640, 3199968, 3555520, 3999960, 5333280, 6399936, 7999920, 10666560, 15999840, 31999680]

約数ペア:

[(1, 31999680), (2, 15999840), (3, 10666560), (4, 7999920), (5, 6399936), (6, 5333280), (8, 3999960), (9, 3555520), (10, 3199968), (12, 2666640), (15, 2133312), (16, 1999980), (18, 1777760), (20, 1599984), (24, 1333320), (30, 1066656), (32, 999990), (36, 888880), (40, 799992), (41, 780480), (45, 711104), (48, 666660), (60, 533328), (64, 499995), (72, 444440), (80, 399996), (82, 390240), (90, 355552), (96, 333330), (120, 266664), (123, 260160), (144, 222220), (160, 199998), (164, 195120), (180, 177776), (192, 166665), (205, 156096), (240, 133332), (246, 130080), (271, 118080), (288, 111110), (320, 99999), (328, 97560), (360, 88888), (369, 86720), (410, 78048), (480, 66666), (492, 65040), (542, 59040), (576, 55555), (615, 52032), (656, 48780), (720, 44444), (738, 43360), (813, 39360), (820, 39024), (960, 33333), (984, 32520), (1084, 29520), (1230, 26016), (1312, 24390), (1355, 23616), (1440, 22222), (1476, 21680), (1626, 19680), (1640, 19512), (1845, 17344), (1968, 16260), (2168, 14760), (2439, 13120), (2460, 13008), (2624, 12195), (2710, 11808), (2880, 11111), (2952, 10840), (3252, 9840), (3280, 9756), (3690, 8672), (3936, 8130), (4065, 7872), (4336, 7380), (4878, 6560), (4920, 6504), (5420, 5904)]