644037648

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{1609}}^1$

素因数の和:1920

約数の個数: 80

約数和(自身を含む): 1724889600

約数和(自身を除く): 1080851952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 269, 372, 496, 538, 744, 807, 1076, 1488, 1609, 1614, 2152, 3218, 3228, 4304, 4827, 6436, 6456, 8339, 9654, 12872, 12912, 16678, 19308, 25017, 25744, 33356, 38616, 49879, 50034, 66712, 77232, 99758, 100068, 133424, 149637, 199516, 200136, 299274, 399032, 400272, 432821, 598548, 798064, 865642, 1197096, 1298463, 1731284, 2394192, 2596926, 3462568, 5193852, 6925136, 10387704, 13417451, 20775408, 26834902, 40252353, 53669804, 80504706, 107339608, 161009412, 214679216, 322018824, 644037648]

約数ペア:

[(1, 644037648), (2, 322018824), (3, 214679216), (4, 161009412), (6, 107339608), (8, 80504706), (12, 53669804), (16, 40252353), (24, 26834902), (31, 20775408), (48, 13417451), (62, 10387704), (93, 6925136), (124, 5193852), (186, 3462568), (248, 2596926), (269, 2394192), (372, 1731284), (496, 1298463), (538, 1197096), (744, 865642), (807, 798064), (1076, 598548), (1488, 432821), (1609, 400272), (1614, 399032), (2152, 299274), (3218, 200136), (3228, 199516), (4304, 149637), (4827, 133424), (6436, 100068), (6456, 99758), (8339, 77232), (9654, 66712), (12872, 50034), (12912, 49879), (16678, 38616), (19308, 33356), (25017, 25744)]