3318420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7901}}^1$

素因数の和:7920

約数の個数: 48

約数和(自身を含む): 10620288

約数和(自身を除く): 7301868

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, 7901, 15802, 23703, 31604, 39505, 47406, 55307, 79010, 94812, 110614, 118515, 158020, 165921, 221228, 237030, 276535, 331842, 474060, 553070, 663684, 829605, 1106140, 1659210, 3318420]

約数ペア:

[(1, 3318420), (2, 1659210), (3, 1106140), (4, 829605), (5, 663684), (6, 553070), (7, 474060), (10, 331842), (12, 276535), (14, 237030), (15, 221228), (20, 165921), (21, 158020), (28, 118515), (30, 110614), (35, 94812), (42, 79010), (60, 55307), (70, 47406), (84, 39505), (105, 31604), (140, 23703), (210, 15802), (420, 7901)]