26143740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20749}}^1$

素因数の和:20771

約数の個数: 72

約数和(自身を含む): 90636000

約数和(自身を除く): 64492260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20749, 41498, 62247, 82996, 103745, 124494, 145243, 186741, 207490, 248988, 290486, 311235, 373482, 414980, 435729, 580972, 622470, 726215, 746964, 871458, 933705, 1244940, 1307187, 1452430, 1742916, 1867410, 2178645, 2614374, 2904860, 3734820, 4357290, 5228748, 6535935, 8714580, 13071870, 26143740]

約数ペア:

[(1, 26143740), (2, 13071870), (3, 8714580), (4, 6535935), (5, 5228748), (6, 4357290), (7, 3734820), (9, 2904860), (10, 2614374), (12, 2178645), (14, 1867410), (15, 1742916), (18, 1452430), (20, 1307187), (21, 1244940), (28, 933705), (30, 871458), (35, 746964), (36, 726215), (42, 622470), (45, 580972), (60, 435729), (63, 414980), (70, 373482), (84, 311235), (90, 290486), (105, 248988), (126, 207490), (140, 186741), (180, 145243), (210, 124494), (252, 103745), (315, 82996), (420, 62247), (630, 41498), (1260, 20749)]