77302980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 247665600

約数和(自身を除く): 170362620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 59, 60, 87, 90, 116, 118, 145, 174, 177, 180, 236, 251, 261, 290, 295, 348, 354, 435, 502, 522, 531, 580, 590, 708, 753, 870, 885, 1004, 1044, 1062, 1180, 1255, 1305, 1506, 1711, 1740, 1770, 2124, 2259, 2510, 2610, 2655, 3012, 3422, 3540, 3765, 4518, 5020, 5133, 5220, 5310, 6844, 7279, 7530, 8555, 9036, 10266, 10620, 11295, 14558, 14809, 15060, 15399, 17110, 20532, 21837, 22590, 25665, 29116, 29618, 30798, 34220, 36395, 43674, 44427, 45180, 51330, 59236, 61596, 65511, 72790, 74045, 76995, 87348, 88854, 102660, 109185, 131022, 133281, 145580, 148090, 153990, 177708, 218370, 222135, 262044, 266562, 296180, 307980, 327555, 429461, 436740, 444270, 533124, 655110, 666405, 858922, 888540, 1288383, 1310220, 1332810, 1717844, 2147305, 2576766, 2665620, 3865149, 4294610, 5153532, 6441915, 7730298, 8589220, 12883830, 15460596, 19325745, 25767660, 38651490, 77302980]

約数ペア:

[(1, 77302980), (2, 38651490), (3, 25767660), (4, 19325745), (5, 15460596), (6, 12883830), (9, 8589220), (10, 7730298), (12, 6441915), (15, 5153532), (18, 4294610), (20, 3865149), (29, 2665620), (30, 2576766), (36, 2147305), (45, 1717844), (58, 1332810), (59, 1310220), (60, 1288383), (87, 888540), (90, 858922), (116, 666405), (118, 655110), (145, 533124), (174, 444270), (177, 436740), (180, 429461), (236, 327555), (251, 307980), (261, 296180), (290, 266562), (295, 262044), (348, 222135), (354, 218370), (435, 177708), (502, 153990), (522, 148090), (531, 145580), (580, 133281), (590, 131022), (708, 109185), (753, 102660), (870, 88854), (885, 87348), (1004, 76995), (1044, 74045), (1062, 72790), (1180, 65511), (1255, 61596), (1305, 59236), (1506, 51330), (1711, 45180), (1740, 44427), (1770, 43674), (2124, 36395), (2259, 34220), (2510, 30798), (2610, 29618), (2655, 29116), (3012, 25665), (3422, 22590), (3540, 21837), (3765, 20532), (4518, 17110), (5020, 15399), (5133, 15060), (5220, 14809), (5310, 14558), (6844, 11295), (7279, 10620), (7530, 10266), (8555, 9036)]