221988840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4523}}^1$

素因数の和:4946

約数の個数: 64

約数和(自身を含む): 667742400

約数和(自身を除く): 445753560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 818, 1227, 1636, 2045, 2454, 3272, 4090, 4523, 4908, 6135, 8180, 9046, 9816, 12270, 13569, 16360, 18092, 22615, 24540, 27138, 36184, 45230, 49080, 54276, 67845, 90460, 108552, 135690, 180920, 271380, 542760, 1849907, 3699814, 5549721, 7399628, 9249535, 11099442, 14799256, 18499070, 22198884, 27748605, 36998140, 44397768, 55497210, 73996280, 110994420, 221988840]

約数ペア:

[(1, 221988840), (2, 110994420), (3, 73996280), (4, 55497210), (5, 44397768), (6, 36998140), (8, 27748605), (10, 22198884), (12, 18499070), (15, 14799256), (20, 11099442), (24, 9249535), (30, 7399628), (40, 5549721), (60, 3699814), (120, 1849907), (409, 542760), (818, 271380), (1227, 180920), (1636, 135690), (2045, 108552), (2454, 90460), (3272, 67845), (4090, 54276), (4523, 49080), (4908, 45230), (6135, 36184), (8180, 27138), (9046, 24540), (9816, 22615), (12270, 18092), (13569, 16360)]