81964008

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:532

約数の個数: 128

約数和(自身を含む): 262656000

約数和(自身を除く): 180691992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 151, 168, 189, 216, 252, 302, 359, 378, 453, 504, 604, 718, 756, 906, 1057, 1077, 1208, 1359, 1436, 1512, 1812, 2114, 2154, 2513, 2718, 2872, 3171, 3231, 3624, 4077, 4228, 4308, 5026, 5436, 6342, 6462, 7539, 8154, 8456, 8616, 9513, 9693, 10052, 10872, 12684, 12924, 15078, 16308, 19026, 19386, 20104, 22617, 25368, 25848, 28539, 30156, 32616, 38052, 38772, 45234, 54209, 57078, 60312, 67851, 76104, 77544, 90468, 108418, 114156, 135702, 162627, 180936, 216836, 228312, 271404, 325254, 379463, 433672, 487881, 542808, 650508, 758926, 975762, 1138389, 1301016, 1463643, 1517852, 1951524, 2276778, 2927286, 3035704, 3415167, 3903048, 4553556, 5854572, 6830334, 9107112, 10245501, 11709144, 13660668, 20491002, 27321336, 40982004, 81964008]

約数ペア:

[(1, 81964008), (2, 40982004), (3, 27321336), (4, 20491002), (6, 13660668), (7, 11709144), (8, 10245501), (9, 9107112), (12, 6830334), (14, 5854572), (18, 4553556), (21, 3903048), (24, 3415167), (27, 3035704), (28, 2927286), (36, 2276778), (42, 1951524), (54, 1517852), (56, 1463643), (63, 1301016), (72, 1138389), (84, 975762), (108, 758926), (126, 650508), (151, 542808), (168, 487881), (189, 433672), (216, 379463), (252, 325254), (302, 271404), (359, 228312), (378, 216836), (453, 180936), (504, 162627), (604, 135702), (718, 114156), (756, 108418), (906, 90468), (1057, 77544), (1077, 76104), (1208, 67851), (1359, 60312), (1436, 57078), (1512, 54209), (1812, 45234), (2114, 38772), (2154, 38052), (2513, 32616), (2718, 30156), (2872, 28539), (3171, 25848), (3231, 25368), (3624, 22617), (4077, 20104), (4228, 19386), (4308, 19026), (5026, 16308), (5436, 15078), (6342, 12924), (6462, 12684), (7539, 10872), (8154, 10052), (8456, 9693), (8616, 9513)]