2541560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 6782400

約数和(自身を除く): 4240840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 313, 406, 580, 626, 812, 1015, 1160, 1252, 1565, 1624, 2030, 2191, 2504, 3130, 4060, 4382, 6260, 8120, 8764, 9077, 10955, 12520, 17528, 18154, 21910, 36308, 43820, 45385, 63539, 72616, 87640, 90770, 127078, 181540, 254156, 317695, 363080, 508312, 635390, 1270780, 2541560]

約数ペア:

[(1, 2541560), (2, 1270780), (4, 635390), (5, 508312), (7, 363080), (8, 317695), (10, 254156), (14, 181540), (20, 127078), (28, 90770), (29, 87640), (35, 72616), (40, 63539), (56, 45385), (58, 43820), (70, 36308), (116, 21910), (140, 18154), (145, 17528), (203, 12520), (232, 10955), (280, 9077), (290, 8764), (313, 8120), (406, 6260), (580, 4382), (626, 4060), (812, 3130), (1015, 2504), (1160, 2191), (1252, 2030), (1565, 1624)]