390420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{241}}^1$

素因数の和:262

約数の個数: 60

約数和(自身を含む): 1229844

約数和(自身を除く): 839424

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 241, 270, 324, 405, 482, 540, 723, 810, 964, 1205, 1446, 1620, 2169, 2410, 2892, 3615, 4338, 4820, 6507, 7230, 8676, 10845, 13014, 14460, 19521, 21690, 26028, 32535, 39042, 43380, 65070, 78084, 97605, 130140, 195210, 390420]

約数ペア:

[(1, 390420), (2, 195210), (3, 130140), (4, 97605), (5, 78084), (6, 65070), (9, 43380), (10, 39042), (12, 32535), (15, 26028), (18, 21690), (20, 19521), (27, 14460), (30, 13014), (36, 10845), (45, 8676), (54, 7230), (60, 6507), (81, 4820), (90, 4338), (108, 3615), (135, 2892), (162, 2410), (180, 2169), (241, 1620), (270, 1446), (324, 1205), (405, 964), (482, 810), (540, 723)]