161220396

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:751

約数の個数: 96

約数和(自身を含む): 421344000

約数和(自身を除く): 260123604

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 37, 38, 57, 58, 74, 76, 87, 111, 114, 116, 148, 174, 222, 228, 348, 444, 551, 659, 703, 1073, 1102, 1318, 1406, 1653, 1977, 2109, 2146, 2204, 2636, 2812, 3219, 3306, 3954, 4218, 4292, 6438, 6612, 7908, 8436, 12521, 12876, 19111, 20387, 24383, 25042, 37563, 38222, 40774, 48766, 50084, 57333, 61161, 73149, 75126, 76444, 81548, 97532, 114666, 122322, 146298, 150252, 229332, 244644, 292596, 363109, 463277, 707107, 726218, 926554, 1089327, 1389831, 1414214, 1452436, 1853108, 2121321, 2178654, 2779662, 2828428, 4242642, 4357308, 5559324, 8485284, 13435033, 26870066, 40305099, 53740132, 80610198, 161220396]

約数ペア:

[(1, 161220396), (2, 80610198), (3, 53740132), (4, 40305099), (6, 26870066), (12, 13435033), (19, 8485284), (29, 5559324), (37, 4357308), (38, 4242642), (57, 2828428), (58, 2779662), (74, 2178654), (76, 2121321), (87, 1853108), (111, 1452436), (114, 1414214), (116, 1389831), (148, 1089327), (174, 926554), (222, 726218), (228, 707107), (348, 463277), (444, 363109), (551, 292596), (659, 244644), (703, 229332), (1073, 150252), (1102, 146298), (1318, 122322), (1406, 114666), (1653, 97532), (1977, 81548), (2109, 76444), (2146, 75126), (2204, 73149), (2636, 61161), (2812, 57333), (3219, 50084), (3306, 48766), (3954, 40774), (4218, 38222), (4292, 37563), (6438, 25042), (6612, 24383), (7908, 20387), (8436, 19111), (12521, 12876)]