257838120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1319}}^1$

素因数の和:1520

約数の個数: 128

約数和(自身を含む): 864864000

約数和(自身を除く): 607025880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 360, 362, 540, 543, 724, 905, 1080, 1086, 1319, 1448, 1629, 1810, 2172, 2638, 2715, 3258, 3620, 3957, 4344, 4887, 5276, 5430, 6516, 6595, 7240, 7914, 8145, 9774, 10552, 10860, 11871, 13032, 13190, 15828, 16290, 19548, 19785, 21720, 23742, 24435, 26380, 31656, 32580, 35613, 39096, 39570, 47484, 48870, 52760, 59355, 65160, 71226, 79140, 94968, 97740, 118710, 142452, 158280, 178065, 195480, 237420, 238739, 284904, 356130, 474840, 477478, 712260, 716217, 954956, 1193695, 1424520, 1432434, 1909912, 2148651, 2387390, 2864868, 3581085, 4297302, 4774780, 5729736, 6445953, 7162170, 8594604, 9549560, 10743255, 12891906, 14324340, 17189208, 21486510, 25783812, 28648680, 32229765, 42973020, 51567624, 64459530, 85946040, 128919060, 257838120]

約数ペア:

[(1, 257838120), (2, 128919060), (3, 85946040), (4, 64459530), (5, 51567624), (6, 42973020), (8, 32229765), (9, 28648680), (10, 25783812), (12, 21486510), (15, 17189208), (18, 14324340), (20, 12891906), (24, 10743255), (27, 9549560), (30, 8594604), (36, 7162170), (40, 6445953), (45, 5729736), (54, 4774780), (60, 4297302), (72, 3581085), (90, 2864868), (108, 2387390), (120, 2148651), (135, 1909912), (180, 1432434), (181, 1424520), (216, 1193695), (270, 954956), (360, 716217), (362, 712260), (540, 477478), (543, 474840), (724, 356130), (905, 284904), (1080, 238739), (1086, 237420), (1319, 195480), (1448, 178065), (1629, 158280), (1810, 142452), (2172, 118710), (2638, 97740), (2715, 94968), (3258, 79140), (3620, 71226), (3957, 65160), (4344, 59355), (4887, 52760), (5276, 48870), (5430, 47484), (6516, 39570), (6595, 39096), (7240, 35613), (7914, 32580), (8145, 31656), (9774, 26380), (10552, 24435), (10860, 23742), (11871, 21720), (13032, 19785), (13190, 19548), (15828, 16290)]