78520428

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 237837600

約数和(自身を除く): 159317172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 89, 108, 126, 162, 178, 189, 252, 267, 324, 356, 378, 389, 534, 567, 623, 756, 778, 801, 1068, 1134, 1167, 1246, 1556, 1602, 1869, 2268, 2334, 2403, 2492, 2723, 3204, 3501, 3738, 4668, 4806, 5446, 5607, 7002, 7209, 7476, 8169, 9612, 10503, 10892, 11214, 14004, 14418, 16338, 16821, 21006, 22428, 24507, 28836, 31509, 32676, 33642, 34621, 42012, 49014, 50463, 63018, 67284, 69242, 73521, 98028, 100926, 103863, 126036, 138484, 147042, 201852, 207726, 220563, 242347, 294084, 311589, 415452, 441126, 484694, 623178, 727041, 882252, 934767, 969388, 1246356, 1454082, 1869534, 2181123, 2804301, 2908164, 3739068, 4362246, 5608602, 6543369, 8724492, 11217204, 13086738, 19630107, 26173476, 39260214, 78520428]

約数ペア:

[(1, 78520428), (2, 39260214), (3, 26173476), (4, 19630107), (6, 13086738), (7, 11217204), (9, 8724492), (12, 6543369), (14, 5608602), (18, 4362246), (21, 3739068), (27, 2908164), (28, 2804301), (36, 2181123), (42, 1869534), (54, 1454082), (63, 1246356), (81, 969388), (84, 934767), (89, 882252), (108, 727041), (126, 623178), (162, 484694), (178, 441126), (189, 415452), (252, 311589), (267, 294084), (324, 242347), (356, 220563), (378, 207726), (389, 201852), (534, 147042), (567, 138484), (623, 126036), (756, 103863), (778, 100926), (801, 98028), (1068, 73521), (1134, 69242), (1167, 67284), (1246, 63018), (1556, 50463), (1602, 49014), (1869, 42012), (2268, 34621), (2334, 33642), (2403, 32676), (2492, 31509), (2723, 28836), (3204, 24507), (3501, 22428), (3738, 21006), (4668, 16821), (4806, 16338), (5446, 14418), (5607, 14004), (7002, 11214), (7209, 10892), (7476, 10503), (8169, 9612)]