31137390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 86486400

約数和(自身を除く): 55349010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 131, 139, 171, 190, 262, 278, 285, 342, 393, 417, 570, 655, 695, 786, 834, 855, 1179, 1251, 1310, 1390, 1710, 1965, 2085, 2358, 2489, 2502, 2641, 3930, 4170, 4978, 5282, 5895, 6255, 7467, 7923, 11790, 12445, 12510, 13205, 14934, 15846, 18209, 22401, 23769, 24890, 26410, 36418, 37335, 39615, 44802, 47538, 54627, 74670, 79230, 91045, 109254, 112005, 118845, 163881, 182090, 224010, 237690, 273135, 327762, 345971, 546270, 691942, 819405, 1037913, 1638810, 1729855, 2075826, 3113739, 3459710, 5189565, 6227478, 10379130, 15568695, 31137390]

約数ペア:

[(1, 31137390), (2, 15568695), (3, 10379130), (5, 6227478), (6, 5189565), (9, 3459710), (10, 3113739), (15, 2075826), (18, 1729855), (19, 1638810), (30, 1037913), (38, 819405), (45, 691942), (57, 546270), (90, 345971), (95, 327762), (114, 273135), (131, 237690), (139, 224010), (171, 182090), (190, 163881), (262, 118845), (278, 112005), (285, 109254), (342, 91045), (393, 79230), (417, 74670), (570, 54627), (655, 47538), (695, 44802), (786, 39615), (834, 37335), (855, 36418), (1179, 26410), (1251, 24890), (1310, 23769), (1390, 22401), (1710, 18209), (1965, 15846), (2085, 14934), (2358, 13205), (2489, 12510), (2502, 12445), (2641, 11790), (3930, 7923), (4170, 7467), (4978, 6255), (5282, 5895)]