1215672570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{643213}}^1$

素因数の和:643236

約数の個数: 64

約数和(自身を含む): 3704912640

約数和(自身を除く): 2489240070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 643213, 1286426, 1929639, 3216065, 3859278, 4502491, 5788917, 6432130, 9004982, 9648195, 11577834, 13507473, 17366751, 19296390, 22512455, 27014946, 28944585, 34733502, 40522419, 45024910, 57889170, 67537365, 81044838, 86833755, 121567257, 135074730, 173667510, 202612095, 243134514, 405224190, 607836285, 1215672570]

約数ペア:

[(1, 1215672570), (2, 607836285), (3, 405224190), (5, 243134514), (6, 202612095), (7, 173667510), (9, 135074730), (10, 121567257), (14, 86833755), (15, 81044838), (18, 67537365), (21, 57889170), (27, 45024910), (30, 40522419), (35, 34733502), (42, 28944585), (45, 27014946), (54, 22512455), (63, 19296390), (70, 17366751), (90, 13507473), (105, 11577834), (126, 9648195), (135, 9004982), (189, 6432130), (210, 5788917), (270, 4502491), (315, 3859278), (378, 3216065), (630, 1929639), (945, 1286426), (1890, 643213)]