61515580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1531}}^1$

素因数の和:1595

約数の個数: 72

約数和(自身を含む): 154039536

約数和(自身を除く): 92523956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 1531, 2009, 2870, 3062, 4018, 5740, 6124, 7655, 8036, 10045, 10717, 15310, 20090, 21434, 30620, 40180, 42868, 53585, 62771, 75019, 107170, 125542, 150038, 214340, 251084, 300076, 313855, 375095, 439397, 627710, 750190, 878794, 1255420, 1500380, 1757588, 2196985, 3075779, 4393970, 6151558, 8787940, 12303116, 15378895, 30757790, 61515580]

約数ペア:

[(1, 61515580), (2, 30757790), (4, 15378895), (5, 12303116), (7, 8787940), (10, 6151558), (14, 4393970), (20, 3075779), (28, 2196985), (35, 1757588), (41, 1500380), (49, 1255420), (70, 878794), (82, 750190), (98, 627710), (140, 439397), (164, 375095), (196, 313855), (205, 300076), (245, 251084), (287, 214340), (410, 150038), (490, 125542), (574, 107170), (820, 75019), (980, 62771), (1148, 53585), (1435, 42868), (1531, 40180), (2009, 30620), (2870, 21434), (3062, 20090), (4018, 15310), (5740, 10717), (6124, 10045), (7655, 8036)]