2153151280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{25463}}^1$

素因数の和:25634

約数の個数: 80

約数和(自身を含む): 5759345664

約数和(自身を除く): 3606194384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 3020, 4228, 5285, 6040, 8456, 10570, 12080, 16912, 21140, 25463, 42280, 50926, 84560, 101852, 127315, 178241, 203704, 254630, 356482, 407408, 509260, 712964, 891205, 1018520, 1425928, 1782410, 2037040, 2851856, 3564820, 3844913, 7129640, 7689826, 14259280, 15379652, 19224565, 26914391, 30759304, 38449130, 53828782, 61518608, 76898260, 107657564, 134571955, 153796520, 215315128, 269143910, 307593040, 430630256, 538287820, 1076575640, 2153151280]

約数ペア:

[(1, 2153151280), (2, 1076575640), (4, 538287820), (5, 430630256), (7, 307593040), (8, 269143910), (10, 215315128), (14, 153796520), (16, 134571955), (20, 107657564), (28, 76898260), (35, 61518608), (40, 53828782), (56, 38449130), (70, 30759304), (80, 26914391), (112, 19224565), (140, 15379652), (151, 14259280), (280, 7689826), (302, 7129640), (560, 3844913), (604, 3564820), (755, 2851856), (1057, 2037040), (1208, 1782410), (1510, 1425928), (2114, 1018520), (2416, 891205), (3020, 712964), (4228, 509260), (5285, 407408), (6040, 356482), (8456, 254630), (10570, 203704), (12080, 178241), (16912, 127315), (21140, 101852), (25463, 84560), (42280, 50926)]