2891280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1744

約数の個数: 80

約数和(自身を含む): 10249344

約数和(自身を除く): 7358064

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, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1721, 3442, 5163, 6884, 8605, 10326, 12047, 13768, 17210, 20652, 24094, 25815, 27536, 34420, 36141, 41304, 48188, 51630, 60235, 68840, 72282, 82608, 96376, 103260, 120470, 137680, 144564, 180705, 192752, 206520, 240940, 289128, 361410, 413040, 481880, 578256, 722820, 963760, 1445640, 2891280]

約数ペア:

[(1, 2891280), (2, 1445640), (3, 963760), (4, 722820), (5, 578256), (6, 481880), (7, 413040), (8, 361410), (10, 289128), (12, 240940), (14, 206520), (15, 192752), (16, 180705), (20, 144564), (21, 137680), (24, 120470), (28, 103260), (30, 96376), (35, 82608), (40, 72282), (42, 68840), (48, 60235), (56, 51630), (60, 48188), (70, 41304), (80, 36141), (84, 34420), (105, 27536), (112, 25815), (120, 24094), (140, 20652), (168, 17210), (210, 13768), (240, 12047), (280, 10326), (336, 8605), (420, 6884), (560, 5163), (840, 3442), (1680, 1721)]