180409212

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 474539520

約数和(自身を除く): 294130308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 139, 186, 278, 279, 372, 417, 556, 558, 834, 1116, 1163, 1251, 1668, 2326, 2502, 3489, 4309, 4652, 5004, 6978, 8618, 10467, 12927, 13956, 17236, 20934, 25854, 36053, 38781, 41868, 51708, 72106, 77562, 108159, 144212, 155124, 161657, 216318, 323314, 324477, 432636, 484971, 646628, 648954, 969942, 1297908, 1454913, 1939884, 2909826, 5011367, 5819652, 10022734, 15034101, 20045468, 30068202, 45102303, 60136404, 90204606, 180409212]

約数ペア:

[(1, 180409212), (2, 90204606), (3, 60136404), (4, 45102303), (6, 30068202), (9, 20045468), (12, 15034101), (18, 10022734), (31, 5819652), (36, 5011367), (62, 2909826), (93, 1939884), (124, 1454913), (139, 1297908), (186, 969942), (278, 648954), (279, 646628), (372, 484971), (417, 432636), (556, 324477), (558, 323314), (834, 216318), (1116, 161657), (1163, 155124), (1251, 144212), (1668, 108159), (2326, 77562), (2502, 72106), (3489, 51708), (4309, 41868), (4652, 38781), (5004, 36053), (6978, 25854), (8618, 20934), (10467, 17236), (12927, 13956)]