279312180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{665029}}^1$

素因数の和:665048

約数の個数: 48

約数和(自身を含む): 893800320

約数和(自身を除く): 614488140

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, 665029, 1330058, 1995087, 2660116, 3325145, 3990174, 4655203, 6650290, 7980348, 9310406, 9975435, 13300580, 13965609, 18620812, 19950870, 23276015, 27931218, 39901740, 46552030, 55862436, 69828045, 93104060, 139656090, 279312180]

約数ペア:

[(1, 279312180), (2, 139656090), (3, 93104060), (4, 69828045), (5, 55862436), (6, 46552030), (7, 39901740), (10, 27931218), (12, 23276015), (14, 19950870), (15, 18620812), (20, 13965609), (21, 13300580), (28, 9975435), (30, 9310406), (35, 7980348), (42, 6650290), (60, 4655203), (70, 3990174), (84, 3325145), (105, 2660116), (140, 1995087), (210, 1330058), (420, 665029)]