80161060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 197447544

約数和(自身を除く): 117286484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 521, 628, 785, 980, 1042, 1099, 1570, 2084, 2198, 2605, 3140, 3647, 4396, 5210, 5495, 7294, 7693, 10420, 10990, 14588, 15386, 18235, 21980, 25529, 30772, 36470, 38465, 51058, 72940, 76930, 81797, 102116, 127645, 153860, 163594, 255290, 327188, 408985, 510580, 572579, 817970, 1145158, 1635940, 2290316, 2862895, 4008053, 5725790, 8016106, 11451580, 16032212, 20040265, 40080530, 80161060]

約数ペア:

[(1, 80161060), (2, 40080530), (4, 20040265), (5, 16032212), (7, 11451580), (10, 8016106), (14, 5725790), (20, 4008053), (28, 2862895), (35, 2290316), (49, 1635940), (70, 1145158), (98, 817970), (140, 572579), (157, 510580), (196, 408985), (245, 327188), (314, 255290), (490, 163594), (521, 153860), (628, 127645), (785, 102116), (980, 81797), (1042, 76930), (1099, 72940), (1570, 51058), (2084, 38465), (2198, 36470), (2605, 30772), (3140, 25529), (3647, 21980), (4396, 18235), (5210, 15386), (5495, 14588), (7294, 10990), (7693, 10420)]