30367640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 72316800

約数和(自身を除く): 41949160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 557, 580, 940, 1114, 1160, 1363, 1880, 2228, 2726, 2785, 4456, 5452, 5570, 6815, 10904, 11140, 13630, 16153, 22280, 26179, 27260, 32306, 52358, 54520, 64612, 80765, 104716, 129224, 130895, 161530, 209432, 261790, 323060, 523580, 646120, 759191, 1047160, 1518382, 3036764, 3795955, 6073528, 7591910, 15183820, 30367640]

約数ペア:

[(1, 30367640), (2, 15183820), (4, 7591910), (5, 6073528), (8, 3795955), (10, 3036764), (20, 1518382), (29, 1047160), (40, 759191), (47, 646120), (58, 523580), (94, 323060), (116, 261790), (145, 209432), (188, 161530), (232, 130895), (235, 129224), (290, 104716), (376, 80765), (470, 64612), (557, 54520), (580, 52358), (940, 32306), (1114, 27260), (1160, 26179), (1363, 22280), (1880, 16153), (2228, 13630), (2726, 11140), (2785, 10904), (4456, 6815), (5452, 5570)]