40287996

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 127169280

約数和(自身を除く): 86881284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 49, 54, 63, 69, 84, 92, 98, 108, 126, 138, 147, 161, 189, 196, 207, 252, 276, 294, 322, 331, 378, 414, 441, 483, 588, 621, 644, 662, 756, 828, 882, 966, 993, 1127, 1242, 1323, 1324, 1449, 1764, 1932, 1986, 2254, 2317, 2484, 2646, 2898, 2979, 3381, 3972, 4347, 4508, 4634, 5292, 5796, 5958, 6762, 6951, 7613, 8694, 8937, 9268, 10143, 11916, 13524, 13902, 15226, 16219, 17388, 17874, 20286, 20853, 22839, 27804, 30429, 30452, 32438, 35748, 40572, 41706, 45678, 48657, 53291, 60858, 62559, 64876, 68517, 83412, 91356, 97314, 106582, 121716, 125118, 137034, 145971, 159873, 194628, 205551, 213164, 250236, 274068, 291942, 319746, 373037, 411102, 437913, 479619, 583884, 639492, 746074, 822204, 875826, 959238, 1119111, 1438857, 1492148, 1751652, 1918476, 2238222, 2877714, 3357333, 4476444, 5755428, 6714666, 10071999, 13429332, 20143998, 40287996]

約数ペア:

[(1, 40287996), (2, 20143998), (3, 13429332), (4, 10071999), (6, 6714666), (7, 5755428), (9, 4476444), (12, 3357333), (14, 2877714), (18, 2238222), (21, 1918476), (23, 1751652), (27, 1492148), (28, 1438857), (36, 1119111), (42, 959238), (46, 875826), (49, 822204), (54, 746074), (63, 639492), (69, 583884), (84, 479619), (92, 437913), (98, 411102), (108, 373037), (126, 319746), (138, 291942), (147, 274068), (161, 250236), (189, 213164), (196, 205551), (207, 194628), (252, 159873), (276, 145971), (294, 137034), (322, 125118), (331, 121716), (378, 106582), (414, 97314), (441, 91356), (483, 83412), (588, 68517), (621, 64876), (644, 62559), (662, 60858), (756, 53291), (828, 48657), (882, 45678), (966, 41706), (993, 40572), (1127, 35748), (1242, 32438), (1323, 30452), (1324, 30429), (1449, 27804), (1764, 22839), (1932, 20853), (1986, 20286), (2254, 17874), (2317, 17388), (2484, 16219), (2646, 15226), (2898, 13902), (2979, 13524), (3381, 11916), (3972, 10143), (4347, 9268), (4508, 8937), (4634, 8694), (5292, 7613), (5796, 6951), (5958, 6762)]