7420980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17669}}^1$

素因数の和:17688

約数の個数: 48

約数和(自身を含む): 23748480

約数和(自身を除く): 16327500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 17669, 35338, 53007, 70676, 88345, 106014, 123683, 176690, 212028, 247366, 265035, 353380, 371049, 494732, 530070, 618415, 742098, 1060140, 1236830, 1484196, 1855245, 2473660, 3710490, 7420980]

約数ペア:

[(1, 7420980), (2, 3710490), (3, 2473660), (4, 1855245), (5, 1484196), (6, 1236830), (7, 1060140), (10, 742098), (12, 618415), (14, 530070), (15, 494732), (20, 371049), (21, 353380), (28, 265035), (30, 247366), (35, 212028), (42, 176690), (60, 123683), (70, 106014), (84, 88345), (105, 70676), (140, 53007), (210, 35338), (420, 17669)]