128979270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{9749}}^1$

素因数の和:9779

約数の個数: 96

約数和(自身を含む): 400140000

約数和(自身を除く): 271160730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 2205, 2646, 4410, 6615, 9749, 13230, 19498, 29247, 48745, 58494, 68243, 87741, 97490, 136486, 146235, 175482, 204729, 263223, 292470, 341215, 409458, 438705, 477701, 526446, 614187, 682430, 877410, 955402, 1023645, 1228374, 1316115, 1433103, 1842561, 2047290, 2388505, 2632230, 2866206, 3070935, 3685122, 4299309, 4777010, 6141870, 7165515, 8598618, 9212805, 12897927, 14331030, 18425610, 21496545, 25795854, 42993090, 64489635, 128979270]

約数ペア:

[(1, 128979270), (2, 64489635), (3, 42993090), (5, 25795854), (6, 21496545), (7, 18425610), (9, 14331030), (10, 12897927), (14, 9212805), (15, 8598618), (18, 7165515), (21, 6141870), (27, 4777010), (30, 4299309), (35, 3685122), (42, 3070935), (45, 2866206), (49, 2632230), (54, 2388505), (63, 2047290), (70, 1842561), (90, 1433103), (98, 1316115), (105, 1228374), (126, 1023645), (135, 955402), (147, 877410), (189, 682430), (210, 614187), (245, 526446), (270, 477701), (294, 438705), (315, 409458), (378, 341215), (441, 292470), (490, 263223), (630, 204729), (735, 175482), (882, 146235), (945, 136486), (1323, 97490), (1470, 87741), (1890, 68243), (2205, 58494), (2646, 48745), (4410, 29247), (6615, 19498), (9749, 13230)]