820545516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2220

約数の個数: 144

約数和(自身を含む): 2511634944

約数和(自身を除く): 1691089428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 67, 69, 84, 92, 126, 134, 138, 161, 201, 207, 252, 268, 276, 322, 402, 414, 469, 483, 603, 644, 804, 828, 938, 966, 1206, 1407, 1449, 1541, 1876, 1932, 2113, 2412, 2814, 2898, 3082, 4221, 4226, 4623, 5628, 5796, 6164, 6339, 8442, 8452, 9246, 10787, 12678, 13869, 14791, 16884, 18492, 19017, 21574, 25356, 27738, 29582, 32361, 38034, 43148, 44373, 48599, 55476, 59164, 64722, 76068, 88746, 97083, 97198, 129444, 133119, 141571, 145797, 177492, 194166, 194396, 266238, 283142, 291594, 340193, 388332, 424713, 437391, 532476, 566284, 583188, 680386, 849426, 874782, 990997, 1020579, 1274139, 1360772, 1698852, 1749564, 1981994, 2041158, 2548278, 2972991, 3061737, 3256133, 3963988, 4082316, 5096556, 5945982, 6123474, 6512266, 8918973, 9768399, 11891964, 12246948, 13024532, 17837946, 19536798, 22792931, 29305197, 35675892, 39073596, 45585862, 58610394, 68378793, 91171724, 117220788, 136757586, 205136379, 273515172, 410272758, 820545516]

約数ペア:

[(1, 820545516), (2, 410272758), (3, 273515172), (4, 205136379), (6, 136757586), (7, 117220788), (9, 91171724), (12, 68378793), (14, 58610394), (18, 45585862), (21, 39073596), (23, 35675892), (28, 29305197), (36, 22792931), (42, 19536798), (46, 17837946), (63, 13024532), (67, 12246948), (69, 11891964), (84, 9768399), (92, 8918973), (126, 6512266), (134, 6123474), (138, 5945982), (161, 5096556), (201, 4082316), (207, 3963988), (252, 3256133), (268, 3061737), (276, 2972991), (322, 2548278), (402, 2041158), (414, 1981994), (469, 1749564), (483, 1698852), (603, 1360772), (644, 1274139), (804, 1020579), (828, 990997), (938, 874782), (966, 849426), (1206, 680386), (1407, 583188), (1449, 566284), (1541, 532476), (1876, 437391), (1932, 424713), (2113, 388332), (2412, 340193), (2814, 291594), (2898, 283142), (3082, 266238), (4221, 194396), (4226, 194166), (4623, 177492), (5628, 145797), (5796, 141571), (6164, 133119), (6339, 129444), (8442, 97198), (8452, 97083), (9246, 88746), (10787, 76068), (12678, 64722), (13869, 59164), (14791, 55476), (16884, 48599), (18492, 44373), (19017, 43148), (21574, 38034), (25356, 32361), (27738, 29582)]