251397648

素因数分解:

$2^4\times 3^3\times {\mathrm{359}}^1\times {\mathrm{1621}}^1$

素因数の和:1997

約数の個数: 80

約数和(自身を含む): 724060800

約数和(自身を除く): 472663152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 359, 432, 718, 1077, 1436, 1621, 2154, 2872, 3231, 3242, 4308, 4863, 5744, 6462, 6484, 8616, 9693, 9726, 12924, 12968, 14589, 17232, 19386, 19452, 25848, 25936, 29178, 38772, 38904, 43767, 51696, 58356, 77544, 77808, 87534, 116712, 155088, 175068, 233424, 350136, 581939, 700272, 1163878, 1745817, 2327756, 3491634, 4655512, 5237451, 6983268, 9311024, 10474902, 13966536, 15712353, 20949804, 27933072, 31424706, 41899608, 62849412, 83799216, 125698824, 251397648]

約数ペア:

[(1, 251397648), (2, 125698824), (3, 83799216), (4, 62849412), (6, 41899608), (8, 31424706), (9, 27933072), (12, 20949804), (16, 15712353), (18, 13966536), (24, 10474902), (27, 9311024), (36, 6983268), (48, 5237451), (54, 4655512), (72, 3491634), (108, 2327756), (144, 1745817), (216, 1163878), (359, 700272), (432, 581939), (718, 350136), (1077, 233424), (1436, 175068), (1621, 155088), (2154, 116712), (2872, 87534), (3231, 77808), (3242, 77544), (4308, 58356), (4863, 51696), (5744, 43767), (6462, 38904), (6484, 38772), (8616, 29178), (9693, 25936), (9726, 25848), (12924, 19452), (12968, 19386), (14589, 17232)]