87485220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 276756480

約数和(自身を除く): 189271260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 89, 90, 127, 129, 172, 178, 180, 215, 254, 258, 267, 356, 381, 387, 430, 445, 508, 516, 534, 635, 645, 762, 774, 801, 860, 890, 1068, 1143, 1270, 1290, 1335, 1524, 1548, 1602, 1780, 1905, 1935, 2286, 2540, 2580, 2670, 3204, 3810, 3827, 3870, 4005, 4572, 5340, 5461, 5715, 7620, 7654, 7740, 8010, 10922, 11303, 11430, 11481, 15308, 16020, 16383, 19135, 21844, 22606, 22860, 22962, 27305, 32766, 33909, 34443, 38270, 45212, 45924, 49149, 54610, 56515, 57405, 65532, 67818, 68886, 76540, 81915, 98298, 101727, 109220, 113030, 114810, 135636, 137772, 163830, 169545, 172215, 196596, 203454, 226060, 229620, 245745, 327660, 339090, 344430, 406908, 486029, 491490, 508635, 678180, 688860, 972058, 982980, 1017270, 1458087, 1944116, 2034540, 2430145, 2916174, 4374261, 4860290, 5832348, 7290435, 8748522, 9720580, 14580870, 17497044, 21871305, 29161740, 43742610, 87485220]

約数ペア:

[(1, 87485220), (2, 43742610), (3, 29161740), (4, 21871305), (5, 17497044), (6, 14580870), (9, 9720580), (10, 8748522), (12, 7290435), (15, 5832348), (18, 4860290), (20, 4374261), (30, 2916174), (36, 2430145), (43, 2034540), (45, 1944116), (60, 1458087), (86, 1017270), (89, 982980), (90, 972058), (127, 688860), (129, 678180), (172, 508635), (178, 491490), (180, 486029), (215, 406908), (254, 344430), (258, 339090), (267, 327660), (356, 245745), (381, 229620), (387, 226060), (430, 203454), (445, 196596), (508, 172215), (516, 169545), (534, 163830), (635, 137772), (645, 135636), (762, 114810), (774, 113030), (801, 109220), (860, 101727), (890, 98298), (1068, 81915), (1143, 76540), (1270, 68886), (1290, 67818), (1335, 65532), (1524, 57405), (1548, 56515), (1602, 54610), (1780, 49149), (1905, 45924), (1935, 45212), (2286, 38270), (2540, 34443), (2580, 33909), (2670, 32766), (3204, 27305), (3810, 22962), (3827, 22860), (3870, 22606), (4005, 21844), (4572, 19135), (5340, 16383), (5461, 16020), (5715, 15308), (7620, 11481), (7654, 11430), (7740, 11303), (8010, 10922)]