7210120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 17496000

約数和(自身を除く): 10285880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 179, 190, 212, 265, 358, 380, 424, 530, 716, 760, 895, 1007, 1060, 1432, 1790, 2014, 2120, 3401, 3580, 4028, 5035, 6802, 7160, 8056, 9487, 10070, 13604, 17005, 18974, 20140, 27208, 34010, 37948, 40280, 47435, 68020, 75896, 94870, 136040, 180253, 189740, 360506, 379480, 721012, 901265, 1442024, 1802530, 3605060, 7210120]

約数ペア:

[(1, 7210120), (2, 3605060), (4, 1802530), (5, 1442024), (8, 901265), (10, 721012), (19, 379480), (20, 360506), (38, 189740), (40, 180253), (53, 136040), (76, 94870), (95, 75896), (106, 68020), (152, 47435), (179, 40280), (190, 37948), (212, 34010), (265, 27208), (358, 20140), (380, 18974), (424, 17005), (530, 13604), (716, 10070), (760, 9487), (895, 8056), (1007, 7160), (1060, 6802), (1432, 5035), (1790, 4028), (2014, 3580), (2120, 3401)]