128328408

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 128

約数和(自身を含む): 400780800

約数和(自身を除く): 272452392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 27, 36, 39, 46, 52, 54, 69, 72, 78, 92, 104, 108, 117, 138, 156, 184, 207, 216, 234, 276, 299, 312, 351, 414, 468, 552, 598, 621, 702, 828, 897, 936, 1196, 1242, 1404, 1656, 1794, 1987, 2392, 2484, 2691, 2808, 3588, 3974, 4968, 5382, 5961, 7176, 7948, 8073, 10764, 11922, 15896, 16146, 17883, 21528, 23844, 25831, 32292, 35766, 45701, 47688, 51662, 53649, 64584, 71532, 77493, 91402, 103324, 107298, 137103, 143064, 154986, 182804, 206648, 214596, 232479, 274206, 309972, 365608, 411309, 429192, 464958, 548412, 594113, 619944, 697437, 822618, 929916, 1096824, 1188226, 1233927, 1394874, 1645236, 1782339, 1859832, 2376452, 2467854, 2789748, 3290472, 3564678, 4752904, 4935708, 5347017, 5579496, 7129356, 9871416, 10694034, 14258712, 16041051, 21388068, 32082102, 42776136, 64164204, 128328408]

約数ペア:

[(1, 128328408), (2, 64164204), (3, 42776136), (4, 32082102), (6, 21388068), (8, 16041051), (9, 14258712), (12, 10694034), (13, 9871416), (18, 7129356), (23, 5579496), (24, 5347017), (26, 4935708), (27, 4752904), (36, 3564678), (39, 3290472), (46, 2789748), (52, 2467854), (54, 2376452), (69, 1859832), (72, 1782339), (78, 1645236), (92, 1394874), (104, 1233927), (108, 1188226), (117, 1096824), (138, 929916), (156, 822618), (184, 697437), (207, 619944), (216, 594113), (234, 548412), (276, 464958), (299, 429192), (312, 411309), (351, 365608), (414, 309972), (468, 274206), (552, 232479), (598, 214596), (621, 206648), (702, 182804), (828, 154986), (897, 143064), (936, 137103), (1196, 107298), (1242, 103324), (1404, 91402), (1656, 77493), (1794, 71532), (1987, 64584), (2392, 53649), (2484, 51662), (2691, 47688), (2808, 45701), (3588, 35766), (3974, 32292), (4968, 25831), (5382, 23844), (5961, 21528), (7176, 17883), (7948, 16146), (8073, 15896), (10764, 11922)]