77655420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 246005760

約数和(自身を除く): 168350340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 79, 86, 90, 127, 129, 158, 172, 180, 215, 237, 254, 258, 316, 381, 387, 395, 430, 474, 508, 516, 635, 645, 711, 762, 774, 790, 860, 948, 1143, 1185, 1270, 1290, 1422, 1524, 1548, 1580, 1905, 1935, 2286, 2370, 2540, 2580, 2844, 3397, 3555, 3810, 3870, 4572, 4740, 5461, 5715, 6794, 7110, 7620, 7740, 10033, 10191, 10922, 11430, 13588, 14220, 16383, 16985, 20066, 20382, 21844, 22860, 27305, 30099, 30573, 32766, 33970, 40132, 40764, 49149, 50165, 50955, 54610, 60198, 61146, 65532, 67940, 81915, 90297, 98298, 100330, 101910, 109220, 120396, 122292, 150495, 152865, 163830, 180594, 196596, 200660, 203820, 245745, 300990, 305730, 327660, 361188, 431419, 451485, 491490, 601980, 611460, 862838, 902970, 982980, 1294257, 1725676, 1805940, 2157095, 2588514, 3882771, 4314190, 5177028, 6471285, 7765542, 8628380, 12942570, 15531084, 19413855, 25885140, 38827710, 77655420]

約数ペア:

[(1, 77655420), (2, 38827710), (3, 25885140), (4, 19413855), (5, 15531084), (6, 12942570), (9, 8628380), (10, 7765542), (12, 6471285), (15, 5177028), (18, 4314190), (20, 3882771), (30, 2588514), (36, 2157095), (43, 1805940), (45, 1725676), (60, 1294257), (79, 982980), (86, 902970), (90, 862838), (127, 611460), (129, 601980), (158, 491490), (172, 451485), (180, 431419), (215, 361188), (237, 327660), (254, 305730), (258, 300990), (316, 245745), (381, 203820), (387, 200660), (395, 196596), (430, 180594), (474, 163830), (508, 152865), (516, 150495), (635, 122292), (645, 120396), (711, 109220), (762, 101910), (774, 100330), (790, 98298), (860, 90297), (948, 81915), (1143, 67940), (1185, 65532), (1270, 61146), (1290, 60198), (1422, 54610), (1524, 50955), (1548, 50165), (1580, 49149), (1905, 40764), (1935, 40132), (2286, 33970), (2370, 32766), (2540, 30573), (2580, 30099), (2844, 27305), (3397, 22860), (3555, 21844), (3810, 20382), (3870, 20066), (4572, 16985), (4740, 16383), (5461, 14220), (5715, 13588), (6794, 11430), (7110, 10922), (7620, 10191), (7740, 10033)]