261072

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{37}}^1$

素因数の和:65

約数の個数: 90

約数和(自身を含む): 872898

約数和(自身を除く): 611826

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 49, 56, 63, 72, 74, 84, 98, 111, 112, 126, 144, 147, 148, 168, 196, 222, 252, 259, 294, 296, 333, 336, 392, 441, 444, 504, 518, 588, 592, 666, 777, 784, 882, 888, 1008, 1036, 1176, 1332, 1554, 1764, 1776, 1813, 2072, 2331, 2352, 2664, 3108, 3528, 3626, 4144, 4662, 5328, 5439, 6216, 7056, 7252, 9324, 10878, 12432, 14504, 16317, 18648, 21756, 29008, 32634, 37296, 43512, 65268, 87024, 130536, 261072]

約数ペア:

[(1, 261072), (2, 130536), (3, 87024), (4, 65268), (6, 43512), (7, 37296), (8, 32634), (9, 29008), (12, 21756), (14, 18648), (16, 16317), (18, 14504), (21, 12432), (24, 10878), (28, 9324), (36, 7252), (37, 7056), (42, 6216), (48, 5439), (49, 5328), (56, 4662), (63, 4144), (72, 3626), (74, 3528), (84, 3108), (98, 2664), (111, 2352), (112, 2331), (126, 2072), (144, 1813), (147, 1776), (148, 1764), (168, 1554), (196, 1332), (222, 1176), (252, 1036), (259, 1008), (294, 888), (296, 882), (333, 784), (336, 777), (392, 666), (441, 592), (444, 588), (504, 518)]