2455740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1971

約数の個数: 72

約数和(自身を含む): 8517600

約数和(自身を除く): 6061860

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, 1949, 3898, 5847, 7796, 9745, 11694, 13643, 17541, 19490, 23388, 27286, 29235, 35082, 38980, 40929, 54572, 58470, 68215, 70164, 81858, 87705, 116940, 122787, 136430, 163716, 175410, 204645, 245574, 272860, 350820, 409290, 491148, 613935, 818580, 1227870, 2455740]

約数ペア:

[(1, 2455740), (2, 1227870), (3, 818580), (4, 613935), (5, 491148), (6, 409290), (7, 350820), (9, 272860), (10, 245574), (12, 204645), (14, 175410), (15, 163716), (18, 136430), (20, 122787), (21, 116940), (28, 87705), (30, 81858), (35, 70164), (36, 68215), (42, 58470), (45, 54572), (60, 40929), (63, 38980), (70, 35082), (84, 29235), (90, 27286), (105, 23388), (126, 19490), (140, 17541), (180, 13643), (210, 11694), (252, 9745), (315, 7796), (420, 5847), (630, 3898), (1260, 1949)]