1390725720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41539}}^1$

素因数の和:41590

約数の個数: 128

約数和(自身を含む): 4785408000

約数和(自身を除く): 3394682280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 33480, 41539, 83078, 124617, 166156, 207695, 249234, 332312, 373851, 415390, 498468, 623085, 747702, 830780, 996936, 1121553, 1246170, 1287709, 1495404, 1661560, 1869255, 2243106, 2492340, 2575418, 2990808, 3738510, 3863127, 4486212, 4984680, 5150836, 5607765, 6438545, 7477020, 7726254, 8972424, 10301672, 11215530, 11589381, 12877090, 14954040, 15452508, 19315635, 22431060, 23178762, 25754180, 30905016, 34768143, 38631270, 44862120, 46357524, 51508360, 57946905, 69536286, 77262540, 92715048, 115893810, 139072572, 154525080, 173840715, 231787620, 278145144, 347681430, 463575240, 695362860, 1390725720]

約数ペア:

[(1, 1390725720), (2, 695362860), (3, 463575240), (4, 347681430), (5, 278145144), (6, 231787620), (8, 173840715), (9, 154525080), (10, 139072572), (12, 115893810), (15, 92715048), (18, 77262540), (20, 69536286), (24, 57946905), (27, 51508360), (30, 46357524), (31, 44862120), (36, 38631270), (40, 34768143), (45, 30905016), (54, 25754180), (60, 23178762), (62, 22431060), (72, 19315635), (90, 15452508), (93, 14954040), (108, 12877090), (120, 11589381), (124, 11215530), (135, 10301672), (155, 8972424), (180, 7726254), (186, 7477020), (216, 6438545), (248, 5607765), (270, 5150836), (279, 4984680), (310, 4486212), (360, 3863127), (372, 3738510), (465, 2990808), (540, 2575418), (558, 2492340), (620, 2243106), (744, 1869255), (837, 1661560), (930, 1495404), (1080, 1287709), (1116, 1246170), (1240, 1121553), (1395, 996936), (1674, 830780), (1860, 747702), (2232, 623085), (2790, 498468), (3348, 415390), (3720, 373851), (4185, 332312), (5580, 249234), (6696, 207695), (8370, 166156), (11160, 124617), (16740, 83078), (33480, 41539)]