221880840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18307}}^1$

素因数の和:18422

約数の個数: 64

約数和(自身を含む): 672269760

約数和(自身を除く): 450388920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 18307, 36614, 54921, 73228, 91535, 109842, 146456, 183070, 219684, 274605, 366140, 439368, 549210, 732280, 1098420, 1849007, 2196840, 3698014, 5547021, 7396028, 9245035, 11094042, 14792056, 18490070, 22188084, 27735105, 36980140, 44376168, 55470210, 73960280, 110940420, 221880840]

約数ペア:

[(1, 221880840), (2, 110940420), (3, 73960280), (4, 55470210), (5, 44376168), (6, 36980140), (8, 27735105), (10, 22188084), (12, 18490070), (15, 14792056), (20, 11094042), (24, 9245035), (30, 7396028), (40, 5547021), (60, 3698014), (101, 2196840), (120, 1849007), (202, 1098420), (303, 732280), (404, 549210), (505, 439368), (606, 366140), (808, 274605), (1010, 219684), (1212, 183070), (1515, 146456), (2020, 109842), (2424, 91535), (3030, 73228), (4040, 54921), (6060, 36614), (12120, 18307)]