3131128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 8709120

約数和(自身を除く): 5577992

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 17, 22, 23, 26, 28, 34, 44, 46, 52, 56, 68, 77, 88, 91, 92, 104, 119, 136, 143, 154, 161, 182, 184, 187, 221, 238, 253, 286, 299, 308, 322, 364, 374, 391, 442, 476, 506, 572, 598, 616, 644, 728, 748, 782, 884, 952, 1001, 1012, 1144, 1196, 1288, 1309, 1496, 1547, 1564, 1768, 1771, 2002, 2024, 2093, 2392, 2431, 2618, 2737, 3094, 3128, 3289, 3542, 4004, 4186, 4301, 4862, 5083, 5236, 5474, 6188, 6578, 7084, 8008, 8372, 8602, 9724, 10166, 10472, 10948, 12376, 13156, 14168, 16744, 17017, 17204, 19448, 20332, 21896, 23023, 26312, 30107, 34034, 34408, 35581, 40664, 46046, 55913, 60214, 68068, 71162, 92092, 111826, 120428, 136136, 142324, 184184, 223652, 240856, 284648, 391391, 447304, 782782, 1565564, 3131128]

約数ペア:

[(1, 3131128), (2, 1565564), (4, 782782), (7, 447304), (8, 391391), (11, 284648), (13, 240856), (14, 223652), (17, 184184), (22, 142324), (23, 136136), (26, 120428), (28, 111826), (34, 92092), (44, 71162), (46, 68068), (52, 60214), (56, 55913), (68, 46046), (77, 40664), (88, 35581), (91, 34408), (92, 34034), (104, 30107), (119, 26312), (136, 23023), (143, 21896), (154, 20332), (161, 19448), (182, 17204), (184, 17017), (187, 16744), (221, 14168), (238, 13156), (253, 12376), (286, 10948), (299, 10472), (308, 10166), (322, 9724), (364, 8602), (374, 8372), (391, 8008), (442, 7084), (476, 6578), (506, 6188), (572, 5474), (598, 5236), (616, 5083), (644, 4862), (728, 4301), (748, 4186), (782, 4004), (884, 3542), (952, 3289), (1001, 3128), (1012, 3094), (1144, 2737), (1196, 2618), (1288, 2431), (1309, 2392), (1496, 2093), (1547, 2024), (1564, 2002), (1768, 1771)]