138839680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1$

素因数の和:1866

約数の個数: 128

約数和(自身を含む): 401863680

約数和(自身を除く): 263024000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1823, 1904, 2176, 2240, 2380, 2720, 3646, 3808, 4480, 4760, 5440, 7292, 7616, 9115, 9520, 10880, 12761, 14584, 15232, 18230, 19040, 25522, 29168, 30991, 36460, 38080, 51044, 58336, 61982, 63805, 72920, 76160, 102088, 116672, 123964, 127610, 145840, 154955, 204176, 216937, 233344, 247928, 255220, 291680, 309910, 408352, 433874, 495856, 510440, 583360, 619820, 816704, 867748, 991712, 1020880, 1084685, 1166720, 1239640, 1633408, 1735496, 1983424, 2041760, 2169370, 2479280, 3470992, 3966848, 4083520, 4338740, 4958560, 6941984, 8167040, 8677480, 9917120, 13883968, 17354960, 19834240, 27767936, 34709920, 69419840, 138839680]

約数ペア:

[(1, 138839680), (2, 69419840), (4, 34709920), (5, 27767936), (7, 19834240), (8, 17354960), (10, 13883968), (14, 9917120), (16, 8677480), (17, 8167040), (20, 6941984), (28, 4958560), (32, 4338740), (34, 4083520), (35, 3966848), (40, 3470992), (56, 2479280), (64, 2169370), (68, 2041760), (70, 1983424), (80, 1735496), (85, 1633408), (112, 1239640), (119, 1166720), (128, 1084685), (136, 1020880), (140, 991712), (160, 867748), (170, 816704), (224, 619820), (238, 583360), (272, 510440), (280, 495856), (320, 433874), (340, 408352), (448, 309910), (476, 291680), (544, 255220), (560, 247928), (595, 233344), (640, 216937), (680, 204176), (896, 154955), (952, 145840), (1088, 127610), (1120, 123964), (1190, 116672), (1360, 102088), (1823, 76160), (1904, 72920), (2176, 63805), (2240, 61982), (2380, 58336), (2720, 51044), (3646, 38080), (3808, 36460), (4480, 30991), (4760, 29168), (5440, 25522), (7292, 19040), (7616, 18230), (9115, 15232), (9520, 14584), (10880, 12761)]