2445660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{647}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 8709120

約数和(自身を除く): 6263460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 647, 756, 945, 1260, 1294, 1890, 1941, 2588, 3235, 3780, 3882, 4529, 5823, 6470, 7764, 9058, 9705, 11646, 12940, 13587, 17469, 18116, 19410, 22645, 23292, 27174, 29115, 34938, 38820, 40761, 45290, 54348, 58230, 67935, 69876, 81522, 87345, 90580, 116460, 122283, 135870, 163044, 174690, 203805, 244566, 271740, 349380, 407610, 489132, 611415, 815220, 1222830, 2445660]

約数ペア:

[(1, 2445660), (2, 1222830), (3, 815220), (4, 611415), (5, 489132), (6, 407610), (7, 349380), (9, 271740), (10, 244566), (12, 203805), (14, 174690), (15, 163044), (18, 135870), (20, 122283), (21, 116460), (27, 90580), (28, 87345), (30, 81522), (35, 69876), (36, 67935), (42, 58230), (45, 54348), (54, 45290), (60, 40761), (63, 38820), (70, 34938), (84, 29115), (90, 27174), (105, 23292), (108, 22645), (126, 19410), (135, 18116), (140, 17469), (180, 13587), (189, 12940), (210, 11646), (252, 9705), (270, 9058), (315, 7764), (378, 6470), (420, 5823), (540, 4529), (630, 3882), (647, 3780), (756, 3235), (945, 2588), (1260, 1941), (1294, 1890)]