1860420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 5277888

約数和(自身を除く): 3417468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 307, 404, 505, 606, 614, 921, 1010, 1212, 1228, 1515, 1535, 1842, 2020, 3030, 3070, 3684, 4605, 6060, 6140, 9210, 18420, 31007, 62014, 93021, 124028, 155035, 186042, 310070, 372084, 465105, 620140, 930210, 1860420]

約数ペア:

[(1, 1860420), (2, 930210), (3, 620140), (4, 465105), (5, 372084), (6, 310070), (10, 186042), (12, 155035), (15, 124028), (20, 93021), (30, 62014), (60, 31007), (101, 18420), (202, 9210), (303, 6140), (307, 6060), (404, 4605), (505, 3684), (606, 3070), (614, 3030), (921, 2020), (1010, 1842), (1212, 1535), (1228, 1515)]