78245880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4691}}^1$

素因数の和:4844

約数の個数: 64

約数和(自身を含む): 236476800

約数和(自身を除く): 158230920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 4691, 5560, 8340, 9382, 14073, 16680, 18764, 23455, 28146, 37528, 46910, 56292, 70365, 93820, 112584, 140730, 187640, 281460, 562920, 652049, 1304098, 1956147, 2608196, 3260245, 3912294, 5216392, 6520490, 7824588, 9780735, 13040980, 15649176, 19561470, 26081960, 39122940, 78245880]

約数ペア:

[(1, 78245880), (2, 39122940), (3, 26081960), (4, 19561470), (5, 15649176), (6, 13040980), (8, 9780735), (10, 7824588), (12, 6520490), (15, 5216392), (20, 3912294), (24, 3260245), (30, 2608196), (40, 1956147), (60, 1304098), (120, 652049), (139, 562920), (278, 281460), (417, 187640), (556, 140730), (695, 112584), (834, 93820), (1112, 70365), (1390, 56292), (1668, 46910), (2085, 37528), (2780, 28146), (3336, 23455), (4170, 18764), (4691, 16680), (5560, 14073), (8340, 9382)]