78807120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:853

約数の個数: 160

約数和(自身を含む): 284148480

約数和(自身を除く): 205341360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 769, 840, 854, 915, 976, 1220, 1281, 1464, 1538, 1680, 1708, 1830, 2135, 2307, 2440, 2562, 2928, 3076, 3416, 3660, 3845, 4270, 4614, 4880, 5124, 5383, 6152, 6405, 6832, 7320, 7690, 8540, 9228, 10248, 10766, 11535, 12304, 12810, 14640, 15380, 16149, 17080, 18456, 20496, 21532, 23070, 25620, 26915, 30760, 32298, 34160, 36912, 43064, 46140, 46909, 51240, 53830, 61520, 64596, 80745, 86128, 92280, 93818, 102480, 107660, 129192, 140727, 161490, 184560, 187636, 215320, 234545, 258384, 281454, 322980, 328363, 375272, 430640, 469090, 562908, 645960, 656726, 703635, 750544, 938180, 985089, 1125816, 1291920, 1313452, 1407270, 1641815, 1876360, 1970178, 2251632, 2626904, 2814540, 3283630, 3752720, 3940356, 4925445, 5253808, 5629080, 6567260, 7880712, 9850890, 11258160, 13134520, 15761424, 19701780, 26269040, 39403560, 78807120]

約数ペア:

[(1, 78807120), (2, 39403560), (3, 26269040), (4, 19701780), (5, 15761424), (6, 13134520), (7, 11258160), (8, 9850890), (10, 7880712), (12, 6567260), (14, 5629080), (15, 5253808), (16, 4925445), (20, 3940356), (21, 3752720), (24, 3283630), (28, 2814540), (30, 2626904), (35, 2251632), (40, 1970178), (42, 1876360), (48, 1641815), (56, 1407270), (60, 1313452), (61, 1291920), (70, 1125816), (80, 985089), (84, 938180), (105, 750544), (112, 703635), (120, 656726), (122, 645960), (140, 562908), (168, 469090), (183, 430640), (210, 375272), (240, 328363), (244, 322980), (280, 281454), (305, 258384), (336, 234545), (366, 215320), (420, 187636), (427, 184560), (488, 161490), (560, 140727), (610, 129192), (732, 107660), (769, 102480), (840, 93818), (854, 92280), (915, 86128), (976, 80745), (1220, 64596), (1281, 61520), (1464, 53830), (1538, 51240), (1680, 46909), (1708, 46140), (1830, 43064), (2135, 36912), (2307, 34160), (2440, 32298), (2562, 30760), (2928, 26915), (3076, 25620), (3416, 23070), (3660, 21532), (3845, 20496), (4270, 18456), (4614, 17080), (4880, 16149), (5124, 15380), (5383, 14640), (6152, 12810), (6405, 12304), (6832, 11535), (7320, 10766), (7690, 10248), (8540, 9228)]