78019380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2909}}^1$

素因数の和:3073

約数の個数: 72

約数和(自身を含む): 238329000

約数和(自身を除く): 160309620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2909, 2980, 4470, 5364, 5818, 6705, 8727, 8940, 11636, 13410, 14545, 17454, 26181, 26820, 29090, 34908, 43635, 52362, 58180, 87270, 104724, 130905, 174540, 261810, 433441, 523620, 866882, 1300323, 1733764, 2167205, 2600646, 3900969, 4334410, 5201292, 6501615, 7801938, 8668820, 13003230, 15603876, 19504845, 26006460, 39009690, 78019380]

約数ペア:

[(1, 78019380), (2, 39009690), (3, 26006460), (4, 19504845), (5, 15603876), (6, 13003230), (9, 8668820), (10, 7801938), (12, 6501615), (15, 5201292), (18, 4334410), (20, 3900969), (30, 2600646), (36, 2167205), (45, 1733764), (60, 1300323), (90, 866882), (149, 523620), (180, 433441), (298, 261810), (447, 174540), (596, 130905), (745, 104724), (894, 87270), (1341, 58180), (1490, 52362), (1788, 43635), (2235, 34908), (2682, 29090), (2909, 26820), (2980, 26181), (4470, 17454), (5364, 14545), (5818, 13410), (6705, 11636), (8727, 8940)]