16848780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21601}}^1$

素因数の和:21626

約数の個数: 48

約数和(自身を含む): 50807904

約数和(自身を除く): 33959124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21601, 43202, 64803, 86404, 108005, 129606, 216010, 259212, 280813, 324015, 432020, 561626, 648030, 842439, 1123252, 1296060, 1404065, 1684878, 2808130, 3369756, 4212195, 5616260, 8424390, 16848780]

約数ペア:

[(1, 16848780), (2, 8424390), (3, 5616260), (4, 4212195), (5, 3369756), (6, 2808130), (10, 1684878), (12, 1404065), (13, 1296060), (15, 1123252), (20, 842439), (26, 648030), (30, 561626), (39, 432020), (52, 324015), (60, 280813), (65, 259212), (78, 216010), (130, 129606), (156, 108005), (195, 86404), (260, 64803), (390, 43202), (780, 21601)]