420165984

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:705

約数の個数: 144

約数和(自身を含む): 1292760000

約数和(自身を除く): 872594016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 179, 196, 224, 294, 336, 358, 392, 499, 537, 588, 672, 716, 784, 998, 1074, 1176, 1253, 1432, 1497, 1568, 1996, 2148, 2352, 2506, 2864, 2994, 3493, 3759, 3992, 4296, 4704, 5012, 5728, 5988, 6986, 7518, 7984, 8592, 8771, 10024, 10479, 11976, 13972, 15036, 15968, 17184, 17542, 20048, 20958, 23952, 24451, 26313, 27944, 30072, 35084, 40096, 41916, 47904, 48902, 52626, 55888, 60144, 70168, 73353, 83832, 89321, 97804, 105252, 111776, 120288, 140336, 146706, 167664, 178642, 195608, 210504, 267963, 280672, 293412, 335328, 357284, 391216, 421008, 535926, 586824, 625247, 714568, 782432, 842016, 1071852, 1173648, 1250494, 1429136, 1875741, 2143704, 2347296, 2500988, 2858272, 3751482, 4287408, 4376729, 5001976, 7502964, 8574816, 8753458, 10003952, 13130187, 15005928, 17506916, 20007904, 26260374, 30011856, 35013832, 52520748, 60023712, 70027664, 105041496, 140055328, 210082992, 420165984]

約数ペア:

[(1, 420165984), (2, 210082992), (3, 140055328), (4, 105041496), (6, 70027664), (7, 60023712), (8, 52520748), (12, 35013832), (14, 30011856), (16, 26260374), (21, 20007904), (24, 17506916), (28, 15005928), (32, 13130187), (42, 10003952), (48, 8753458), (49, 8574816), (56, 7502964), (84, 5001976), (96, 4376729), (98, 4287408), (112, 3751482), (147, 2858272), (168, 2500988), (179, 2347296), (196, 2143704), (224, 1875741), (294, 1429136), (336, 1250494), (358, 1173648), (392, 1071852), (499, 842016), (537, 782432), (588, 714568), (672, 625247), (716, 586824), (784, 535926), (998, 421008), (1074, 391216), (1176, 357284), (1253, 335328), (1432, 293412), (1497, 280672), (1568, 267963), (1996, 210504), (2148, 195608), (2352, 178642), (2506, 167664), (2864, 146706), (2994, 140336), (3493, 120288), (3759, 111776), (3992, 105252), (4296, 97804), (4704, 89321), (5012, 83832), (5728, 73353), (5988, 70168), (6986, 60144), (7518, 55888), (7984, 52626), (8592, 48902), (8771, 47904), (10024, 41916), (10479, 40096), (11976, 35084), (13972, 30072), (15036, 27944), (15968, 26313), (17184, 24451), (17542, 23952), (20048, 20958)]