2117640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2521}}^1$

素因数の和:2542

約数の個数: 64

約数和(自身を含む): 7263360

約数和(自身を除く): 5145720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2521, 5042, 7563, 10084, 12605, 15126, 17647, 20168, 25210, 30252, 35294, 37815, 50420, 52941, 60504, 70588, 75630, 88235, 100840, 105882, 141176, 151260, 176470, 211764, 264705, 302520, 352940, 423528, 529410, 705880, 1058820, 2117640]

約数ペア:

[(1, 2117640), (2, 1058820), (3, 705880), (4, 529410), (5, 423528), (6, 352940), (7, 302520), (8, 264705), (10, 211764), (12, 176470), (14, 151260), (15, 141176), (20, 105882), (21, 100840), (24, 88235), (28, 75630), (30, 70588), (35, 60504), (40, 52941), (42, 50420), (56, 37815), (60, 35294), (70, 30252), (84, 25210), (105, 20168), (120, 17647), (140, 15126), (168, 12605), (210, 10084), (280, 7563), (420, 5042), (840, 2521)]