30728445

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 56567808

約数和(自身を除く): 25839363

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 61, 71, 129, 165, 183, 213, 215, 305, 355, 473, 645, 671, 781, 915, 1065, 1419, 2013, 2343, 2365, 2623, 3053, 3355, 3905, 4331, 7095, 7869, 9159, 10065, 11715, 12993, 13115, 15265, 21655, 28853, 33583, 39345, 45795, 47641, 64965, 86559, 100749, 142923, 144265, 167915, 186233, 238205, 432795, 503745, 558699, 714615, 931165, 2048563, 2793495, 6145689, 10242815, 30728445]

約数ペア:

[(1, 30728445), (3, 10242815), (5, 6145689), (11, 2793495), (15, 2048563), (33, 931165), (43, 714615), (55, 558699), (61, 503745), (71, 432795), (129, 238205), (165, 186233), (183, 167915), (213, 144265), (215, 142923), (305, 100749), (355, 86559), (473, 64965), (645, 47641), (671, 45795), (781, 39345), (915, 33583), (1065, 28853), (1419, 21655), (2013, 15265), (2343, 13115), (2365, 12993), (2623, 11715), (3053, 10065), (3355, 9159), (3905, 7869), (4331, 7095)]