66412760

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 153964800

約数和(自身を除く): 87552040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 107, 118, 214, 236, 263, 295, 428, 472, 526, 535, 590, 856, 1052, 1070, 1180, 1315, 2104, 2140, 2360, 2630, 4280, 5260, 6313, 10520, 12626, 15517, 25252, 28141, 31034, 31565, 50504, 56282, 62068, 63130, 77585, 112564, 124136, 126260, 140705, 155170, 225128, 252520, 281410, 310340, 562820, 620680, 1125640, 1660319, 3320638, 6641276, 8301595, 13282552, 16603190, 33206380, 66412760]

約数ペア:

[(1, 66412760), (2, 33206380), (4, 16603190), (5, 13282552), (8, 8301595), (10, 6641276), (20, 3320638), (40, 1660319), (59, 1125640), (107, 620680), (118, 562820), (214, 310340), (236, 281410), (263, 252520), (295, 225128), (428, 155170), (472, 140705), (526, 126260), (535, 124136), (590, 112564), (856, 77585), (1052, 63130), (1070, 62068), (1180, 56282), (1315, 50504), (2104, 31565), (2140, 31034), (2360, 28141), (2630, 25252), (4280, 15517), (5260, 12626), (6313, 10520)]