20180916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 39258828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1511, 1908, 2226, 3022, 3339, 4452, 4533, 6044, 6678, 9066, 10577, 13356, 13599, 18132, 21154, 27198, 31731, 42308, 54396, 63462, 80083, 95193, 126924, 160166, 190386, 240249, 320332, 380772, 480498, 560581, 720747, 960996, 1121162, 1441494, 1681743, 2242324, 2882988, 3363486, 5045229, 6726972, 10090458, 20180916]

約数ペア:

[(1, 20180916), (2, 10090458), (3, 6726972), (4, 5045229), (6, 3363486), (7, 2882988), (9, 2242324), (12, 1681743), (14, 1441494), (18, 1121162), (21, 960996), (28, 720747), (36, 560581), (42, 480498), (53, 380772), (63, 320332), (84, 240249), (106, 190386), (126, 160166), (159, 126924), (212, 95193), (252, 80083), (318, 63462), (371, 54396), (477, 42308), (636, 31731), (742, 27198), (954, 21154), (1113, 18132), (1484, 13599), (1511, 13356), (1908, 10577), (2226, 9066), (3022, 6678), (3339, 6044), (4452, 4533)]