721188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 2079168

約数和(自身を除く): 1357980

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 67, 69, 78, 92, 117, 134, 138, 156, 201, 207, 234, 268, 276, 299, 402, 414, 468, 598, 603, 804, 828, 871, 897, 1196, 1206, 1541, 1742, 1794, 2412, 2613, 2691, 3082, 3484, 3588, 4623, 5226, 5382, 6164, 7839, 9246, 10452, 10764, 13869, 15678, 18492, 20033, 27738, 31356, 40066, 55476, 60099, 80132, 120198, 180297, 240396, 360594, 721188]

約数ペア:

[(1, 721188), (2, 360594), (3, 240396), (4, 180297), (6, 120198), (9, 80132), (12, 60099), (13, 55476), (18, 40066), (23, 31356), (26, 27738), (36, 20033), (39, 18492), (46, 15678), (52, 13869), (67, 10764), (69, 10452), (78, 9246), (92, 7839), (117, 6164), (134, 5382), (138, 5226), (156, 4623), (201, 3588), (207, 3484), (234, 3082), (268, 2691), (276, 2613), (299, 2412), (402, 1794), (414, 1742), (468, 1541), (598, 1206), (603, 1196), (804, 897), (828, 871)]