778931440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1823}}^1$

素因数の和:1959

約数の個数: 120

約数和(自身を含む): 2127185280

約数和(自身を除く): 1348253840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 196, 218, 245, 280, 392, 436, 490, 545, 560, 763, 784, 872, 980, 1090, 1526, 1744, 1823, 1960, 2180, 3052, 3646, 3815, 3920, 4360, 5341, 6104, 7292, 7630, 8720, 9115, 10682, 12208, 12761, 14584, 15260, 18230, 21364, 25522, 26705, 29168, 30520, 36460, 42728, 51044, 53410, 61040, 63805, 72920, 85456, 89327, 102088, 106820, 127610, 145840, 178654, 198707, 204176, 213640, 255220, 357308, 397414, 427280, 446635, 510440, 714616, 794828, 893270, 993535, 1020880, 1390949, 1429232, 1589656, 1786540, 1987070, 2781898, 3179312, 3573080, 3974140, 5563796, 6954745, 7146160, 7948280, 9736643, 11127592, 13909490, 15896560, 19473286, 22255184, 27818980, 38946572, 48683215, 55637960, 77893144, 97366430, 111275920, 155786288, 194732860, 389465720, 778931440]

約数ペア:

[(1, 778931440), (2, 389465720), (4, 194732860), (5, 155786288), (7, 111275920), (8, 97366430), (10, 77893144), (14, 55637960), (16, 48683215), (20, 38946572), (28, 27818980), (35, 22255184), (40, 19473286), (49, 15896560), (56, 13909490), (70, 11127592), (80, 9736643), (98, 7948280), (109, 7146160), (112, 6954745), (140, 5563796), (196, 3974140), (218, 3573080), (245, 3179312), (280, 2781898), (392, 1987070), (436, 1786540), (490, 1589656), (545, 1429232), (560, 1390949), (763, 1020880), (784, 993535), (872, 893270), (980, 794828), (1090, 714616), (1526, 510440), (1744, 446635), (1823, 427280), (1960, 397414), (2180, 357308), (3052, 255220), (3646, 213640), (3815, 204176), (3920, 198707), (4360, 178654), (5341, 145840), (6104, 127610), (7292, 106820), (7630, 102088), (8720, 89327), (9115, 85456), (10682, 72920), (12208, 63805), (12761, 61040), (14584, 53410), (15260, 51044), (18230, 42728), (21364, 36460), (25522, 30520), (26705, 29168)]