30172120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 75686400

約数和(自身を除く): 45514280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1459, 1880, 2068, 2585, 2918, 4136, 5170, 5836, 7295, 10340, 11672, 14590, 16049, 20680, 29180, 32098, 58360, 64196, 68573, 80245, 128392, 137146, 160490, 274292, 320980, 342865, 548584, 641960, 685730, 754303, 1371460, 1508606, 2742920, 3017212, 3771515, 6034424, 7543030, 15086060, 30172120]

約数ペア:

[(1, 30172120), (2, 15086060), (4, 7543030), (5, 6034424), (8, 3771515), (10, 3017212), (11, 2742920), (20, 1508606), (22, 1371460), (40, 754303), (44, 685730), (47, 641960), (55, 548584), (88, 342865), (94, 320980), (110, 274292), (188, 160490), (220, 137146), (235, 128392), (376, 80245), (440, 68573), (470, 64196), (517, 58360), (940, 32098), (1034, 29180), (1459, 20680), (1880, 16049), (2068, 14590), (2585, 11672), (2918, 10340), (4136, 7295), (5170, 5836)]