78457680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{5189}}^1$

素因数の和:5218

約数の個数: 160

約数和(自身を含む): 308908800

約数和(自身を除く): 230451120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 5189, 7560, 10378, 15120, 15567, 20756, 25945, 31134, 36323, 41512, 46701, 51890, 62268, 72646, 77835, 83024, 93402, 103780, 108969, 124536, 140103, 145292, 155670, 181615, 186804, 207560, 217938, 233505, 249072, 280206, 290584, 311340, 326907, 363230, 373608, 415120, 435876, 467010, 544845, 560412, 581168, 622680, 653814, 700515, 726460, 747216, 871752, 934020, 980721, 1089690, 1120824, 1245360, 1307628, 1401030, 1452920, 1634535, 1743504, 1868040, 1961442, 2179380, 2241648, 2615256, 2802060, 2905840, 3269070, 3736080, 3922884, 4358760, 4903605, 5230512, 5604120, 6538140, 7845768, 8717520, 9807210, 11208240, 13076280, 15691536, 19614420, 26152560, 39228840, 78457680]

約数ペア:

[(1, 78457680), (2, 39228840), (3, 26152560), (4, 19614420), (5, 15691536), (6, 13076280), (7, 11208240), (8, 9807210), (9, 8717520), (10, 7845768), (12, 6538140), (14, 5604120), (15, 5230512), (16, 4903605), (18, 4358760), (20, 3922884), (21, 3736080), (24, 3269070), (27, 2905840), (28, 2802060), (30, 2615256), (35, 2241648), (36, 2179380), (40, 1961442), (42, 1868040), (45, 1743504), (48, 1634535), (54, 1452920), (56, 1401030), (60, 1307628), (63, 1245360), (70, 1120824), (72, 1089690), (80, 980721), (84, 934020), (90, 871752), (105, 747216), (108, 726460), (112, 700515), (120, 653814), (126, 622680), (135, 581168), (140, 560412), (144, 544845), (168, 467010), (180, 435876), (189, 415120), (210, 373608), (216, 363230), (240, 326907), (252, 311340), (270, 290584), (280, 280206), (315, 249072), (336, 233505), (360, 217938), (378, 207560), (420, 186804), (432, 181615), (504, 155670), (540, 145292), (560, 140103), (630, 124536), (720, 108969), (756, 103780), (840, 93402), (945, 83024), (1008, 77835), (1080, 72646), (1260, 62268), (1512, 51890), (1680, 46701), (1890, 41512), (2160, 36323), (2520, 31134), (3024, 25945), (3780, 20756), (5040, 15567), (5189, 15120), (7560, 10378)]