197516280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126613}}^1$

素因数の和:126640

約数の個数: 64

約数和(自身を含む): 638134560

約数和(自身を除く): 440618280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 126613, 253226, 379839, 506452, 633065, 759678, 1012904, 1266130, 1519356, 1645969, 1899195, 2532260, 3038712, 3291938, 3798390, 4937907, 5064520, 6583876, 7596780, 8229845, 9875814, 13167752, 15193560, 16459690, 19751628, 24689535, 32919380, 39503256, 49379070, 65838760, 98758140, 197516280]

約数ペア:

[(1, 197516280), (2, 98758140), (3, 65838760), (4, 49379070), (5, 39503256), (6, 32919380), (8, 24689535), (10, 19751628), (12, 16459690), (13, 15193560), (15, 13167752), (20, 9875814), (24, 8229845), (26, 7596780), (30, 6583876), (39, 5064520), (40, 4937907), (52, 3798390), (60, 3291938), (65, 3038712), (78, 2532260), (104, 1899195), (120, 1645969), (130, 1519356), (156, 1266130), (195, 1012904), (260, 759678), (312, 633065), (390, 506452), (520, 379839), (780, 253226), (1560, 126613)]