305175920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 833232384

約数和(自身を除く): 528056464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 127, 140, 196, 245, 254, 280, 392, 490, 508, 560, 613, 635, 784, 889, 980, 1016, 1226, 1270, 1778, 1960, 2032, 2452, 2540, 3065, 3556, 3920, 4291, 4445, 4904, 5080, 6130, 6223, 7112, 8582, 8890, 9808, 10160, 12260, 12446, 14224, 17164, 17780, 21455, 24520, 24892, 30037, 31115, 34328, 35560, 42910, 49040, 49784, 60074, 62230, 68656, 71120, 77851, 85820, 99568, 120148, 124460, 150185, 155702, 171640, 240296, 248920, 300370, 311404, 343280, 389255, 480592, 497840, 544957, 600740, 622808, 778510, 1089914, 1201480, 1245616, 1557020, 2179828, 2402960, 2724785, 3114040, 3814699, 4359656, 5449570, 6228080, 7629398, 8719312, 10899140, 15258796, 19073495, 21798280, 30517592, 38146990, 43596560, 61035184, 76293980, 152587960, 305175920]

約数ペア:

[(1, 305175920), (2, 152587960), (4, 76293980), (5, 61035184), (7, 43596560), (8, 38146990), (10, 30517592), (14, 21798280), (16, 19073495), (20, 15258796), (28, 10899140), (35, 8719312), (40, 7629398), (49, 6228080), (56, 5449570), (70, 4359656), (80, 3814699), (98, 3114040), (112, 2724785), (127, 2402960), (140, 2179828), (196, 1557020), (245, 1245616), (254, 1201480), (280, 1089914), (392, 778510), (490, 622808), (508, 600740), (560, 544957), (613, 497840), (635, 480592), (784, 389255), (889, 343280), (980, 311404), (1016, 300370), (1226, 248920), (1270, 240296), (1778, 171640), (1960, 155702), (2032, 150185), (2452, 124460), (2540, 120148), (3065, 99568), (3556, 85820), (3920, 77851), (4291, 71120), (4445, 68656), (4904, 62230), (5080, 60074), (6130, 49784), (6223, 49040), (7112, 42910), (8582, 35560), (8890, 34328), (9808, 31115), (10160, 30037), (12260, 24892), (12446, 24520), (14224, 21455), (17164, 17780)]