72820272

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{4423}}^1$

素因数の和:4455

約数の個数: 80

約数和(自身を含む): 219430400

約数和(自身を除く): 146610128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1372, 2058, 2352, 2744, 4116, 4423, 5488, 8232, 8846, 13269, 16464, 17692, 26538, 30961, 35384, 53076, 61922, 70768, 92883, 106152, 123844, 185766, 212304, 216727, 247688, 371532, 433454, 495376, 650181, 743064, 866908, 1300362, 1486128, 1517089, 1733816, 2600724, 3034178, 3467632, 4551267, 5201448, 6068356, 9102534, 10402896, 12136712, 18205068, 24273424, 36410136, 72820272]

約数ペア:

[(1, 72820272), (2, 36410136), (3, 24273424), (4, 18205068), (6, 12136712), (7, 10402896), (8, 9102534), (12, 6068356), (14, 5201448), (16, 4551267), (21, 3467632), (24, 3034178), (28, 2600724), (42, 1733816), (48, 1517089), (49, 1486128), (56, 1300362), (84, 866908), (98, 743064), (112, 650181), (147, 495376), (168, 433454), (196, 371532), (294, 247688), (336, 216727), (343, 212304), (392, 185766), (588, 123844), (686, 106152), (784, 92883), (1029, 70768), (1176, 61922), (1372, 53076), (2058, 35384), (2352, 30961), (2744, 26538), (4116, 17692), (4423, 16464), (5488, 13269), (8232, 8846)]