121785972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 144

約数和(自身を含む): 379975680

約数和(自身を除く): 258189708

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 49, 57, 66, 76, 77, 84, 98, 114, 132, 133, 147, 154, 196, 209, 228, 231, 266, 294, 308, 399, 418, 462, 532, 539, 588, 627, 798, 836, 924, 931, 991, 1078, 1254, 1463, 1596, 1617, 1862, 1982, 2156, 2508, 2793, 2926, 2973, 3234, 3724, 3964, 4389, 5586, 5852, 5946, 6468, 6937, 8778, 10241, 10901, 11172, 11892, 13874, 17556, 18829, 20482, 20811, 21802, 27748, 30723, 32703, 37658, 40964, 41622, 43604, 48559, 56487, 61446, 65406, 75316, 76307, 83244, 97118, 112974, 122892, 130812, 131803, 145677, 152614, 194236, 207119, 225948, 228921, 263606, 291354, 305228, 395409, 414238, 457842, 527212, 534149, 582708, 621357, 790818, 828476, 915684, 922621, 1068298, 1242714, 1449833, 1581636, 1602447, 1845242, 2136596, 2485428, 2767863, 2899666, 3204894, 3690484, 4349499, 5535726, 5799332, 6409788, 8698998, 10148831, 11071452, 17397996, 20297662, 30446493, 40595324, 60892986, 121785972]

約数ペア:

[(1, 121785972), (2, 60892986), (3, 40595324), (4, 30446493), (6, 20297662), (7, 17397996), (11, 11071452), (12, 10148831), (14, 8698998), (19, 6409788), (21, 5799332), (22, 5535726), (28, 4349499), (33, 3690484), (38, 3204894), (42, 2899666), (44, 2767863), (49, 2485428), (57, 2136596), (66, 1845242), (76, 1602447), (77, 1581636), (84, 1449833), (98, 1242714), (114, 1068298), (132, 922621), (133, 915684), (147, 828476), (154, 790818), (196, 621357), (209, 582708), (228, 534149), (231, 527212), (266, 457842), (294, 414238), (308, 395409), (399, 305228), (418, 291354), (462, 263606), (532, 228921), (539, 225948), (588, 207119), (627, 194236), (798, 152614), (836, 145677), (924, 131803), (931, 130812), (991, 122892), (1078, 112974), (1254, 97118), (1463, 83244), (1596, 76307), (1617, 75316), (1862, 65406), (1982, 61446), (2156, 56487), (2508, 48559), (2793, 43604), (2926, 41622), (2973, 40964), (3234, 37658), (3724, 32703), (3964, 30723), (4389, 27748), (5586, 21802), (5852, 20811), (5946, 20482), (6468, 18829), (6937, 17556), (8778, 13874), (10241, 11892), (10901, 11172)]