78913260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7187}}^1$

素因数の和:7263

約数の個数: 72

約数和(自身を含む): 243328176

約数和(自身を除く): 164414916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 7187, 10980, 14374, 21561, 28748, 35935, 43122, 64683, 71870, 86244, 107805, 129366, 143740, 215610, 258732, 323415, 431220, 438407, 646830, 876814, 1293660, 1315221, 1753628, 2192035, 2630442, 3945663, 4384070, 5260884, 6576105, 7891326, 8768140, 13152210, 15782652, 19728315, 26304420, 39456630, 78913260]

約数ペア:

[(1, 78913260), (2, 39456630), (3, 26304420), (4, 19728315), (5, 15782652), (6, 13152210), (9, 8768140), (10, 7891326), (12, 6576105), (15, 5260884), (18, 4384070), (20, 3945663), (30, 2630442), (36, 2192035), (45, 1753628), (60, 1315221), (61, 1293660), (90, 876814), (122, 646830), (180, 438407), (183, 431220), (244, 323415), (305, 258732), (366, 215610), (549, 143740), (610, 129366), (732, 107805), (915, 86244), (1098, 71870), (1220, 64683), (1830, 43122), (2196, 35935), (2745, 28748), (3660, 21561), (5490, 14374), (7187, 10980)]