78267560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 212336640

約数和(自身を除く): 134069080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 127, 140, 142, 155, 217, 248, 254, 280, 284, 310, 355, 434, 497, 508, 568, 620, 635, 710, 868, 889, 994, 1016, 1085, 1240, 1270, 1420, 1736, 1778, 1988, 2170, 2201, 2485, 2540, 2840, 3556, 3937, 3976, 4340, 4402, 4445, 4970, 5080, 7112, 7874, 8680, 8804, 8890, 9017, 9940, 11005, 15407, 15748, 17608, 17780, 18034, 19685, 19880, 22010, 27559, 30814, 31496, 35560, 36068, 39370, 44020, 45085, 55118, 61628, 63119, 72136, 77035, 78740, 88040, 90170, 110236, 123256, 126238, 137795, 154070, 157480, 180340, 220472, 252476, 275590, 279527, 308140, 315595, 360680, 504952, 551180, 559054, 616280, 631190, 1102360, 1118108, 1262380, 1397635, 1956689, 2236216, 2524760, 2795270, 3913378, 5590540, 7826756, 9783445, 11181080, 15653512, 19566890, 39133780, 78267560]

約数ペア:

[(1, 78267560), (2, 39133780), (4, 19566890), (5, 15653512), (7, 11181080), (8, 9783445), (10, 7826756), (14, 5590540), (20, 3913378), (28, 2795270), (31, 2524760), (35, 2236216), (40, 1956689), (56, 1397635), (62, 1262380), (70, 1118108), (71, 1102360), (124, 631190), (127, 616280), (140, 559054), (142, 551180), (155, 504952), (217, 360680), (248, 315595), (254, 308140), (280, 279527), (284, 275590), (310, 252476), (355, 220472), (434, 180340), (497, 157480), (508, 154070), (568, 137795), (620, 126238), (635, 123256), (710, 110236), (868, 90170), (889, 88040), (994, 78740), (1016, 77035), (1085, 72136), (1240, 63119), (1270, 61628), (1420, 55118), (1736, 45085), (1778, 44020), (1988, 39370), (2170, 36068), (2201, 35560), (2485, 31496), (2540, 30814), (2840, 27559), (3556, 22010), (3937, 19880), (3976, 19685), (4340, 18034), (4402, 17780), (4445, 17608), (4970, 15748), (5080, 15407), (7112, 11005), (7874, 9940), (8680, 9017), (8804, 8890)]