123215520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{256699}}^1$

素因数の和:256717

約数の個数: 48

約数和(自身を含む): 388130400

約数和(自身を除く): 264914880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 256699, 513398, 770097, 1026796, 1283495, 1540194, 2053592, 2566990, 3080388, 3850485, 4107184, 5133980, 6160776, 7700970, 8214368, 10267960, 12321552, 15401940, 20535920, 24643104, 30803880, 41071840, 61607760, 123215520]

約数ペア:

[(1, 123215520), (2, 61607760), (3, 41071840), (4, 30803880), (5, 24643104), (6, 20535920), (8, 15401940), (10, 12321552), (12, 10267960), (15, 8214368), (16, 7700970), (20, 6160776), (24, 5133980), (30, 4107184), (32, 3850485), (40, 3080388), (48, 2566990), (60, 2053592), (80, 1540194), (96, 1283495), (120, 1026796), (160, 770097), (240, 513398), (480, 256699)]