12821200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 37209920

約数和(自身を除く): 24388720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 175, 190, 200, 241, 266, 280, 304, 350, 380, 400, 475, 482, 532, 560, 665, 700, 760, 950, 964, 1064, 1205, 1330, 1400, 1520, 1687, 1900, 1928, 2128, 2410, 2660, 2800, 3325, 3374, 3800, 3856, 4579, 4820, 5320, 6025, 6650, 6748, 7600, 8435, 9158, 9640, 10640, 12050, 13300, 13496, 16870, 18316, 19280, 22895, 24100, 26600, 26992, 32053, 33740, 36632, 42175, 45790, 48200, 53200, 64106, 67480, 73264, 84350, 91580, 96400, 114475, 128212, 134960, 160265, 168700, 183160, 228950, 256424, 320530, 337400, 366320, 457900, 512848, 641060, 674800, 801325, 915800, 1282120, 1602650, 1831600, 2564240, 3205300, 6410600, 12821200]

約数ペア:

[(1, 12821200), (2, 6410600), (4, 3205300), (5, 2564240), (7, 1831600), (8, 1602650), (10, 1282120), (14, 915800), (16, 801325), (19, 674800), (20, 641060), (25, 512848), (28, 457900), (35, 366320), (38, 337400), (40, 320530), (50, 256424), (56, 228950), (70, 183160), (76, 168700), (80, 160265), (95, 134960), (100, 128212), (112, 114475), (133, 96400), (140, 91580), (152, 84350), (175, 73264), (190, 67480), (200, 64106), (241, 53200), (266, 48200), (280, 45790), (304, 42175), (350, 36632), (380, 33740), (400, 32053), (475, 26992), (482, 26600), (532, 24100), (560, 22895), (665, 19280), (700, 18316), (760, 16870), (950, 13496), (964, 13300), (1064, 12050), (1205, 10640), (1330, 9640), (1400, 9158), (1520, 8435), (1687, 7600), (1900, 6748), (1928, 6650), (2128, 6025), (2410, 5320), (2660, 4820), (2800, 4579), (3325, 3856), (3374, 3800)]