1325366920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 3234816000

約数和(自身を除く): 1909449080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 127, 136, 149, 170, 206, 254, 298, 340, 412, 508, 515, 596, 635, 680, 745, 824, 1016, 1030, 1192, 1270, 1490, 1751, 2060, 2159, 2533, 2540, 2980, 3502, 4120, 4318, 5066, 5080, 5960, 7004, 8636, 8755, 10132, 10795, 12665, 13081, 14008, 15347, 17272, 17510, 18923, 20264, 21590, 25330, 26162, 30694, 35020, 37846, 43180, 50660, 52324, 61388, 65405, 70040, 75692, 76735, 86360, 94615, 101320, 104648, 122776, 130810, 151384, 153470, 189230, 222377, 260899, 261620, 306940, 321691, 378460, 444754, 521798, 523240, 613880, 643382, 756920, 889508, 1043596, 1111885, 1286764, 1304495, 1608455, 1779016, 1949069, 2087192, 2223770, 2573528, 2608990, 3216910, 3898138, 4447540, 5217980, 6433820, 7796276, 8895080, 9745345, 10435960, 12867640, 15592552, 19490690, 33134173, 38981380, 66268346, 77962760, 132536692, 165670865, 265073384, 331341730, 662683460, 1325366920]

約数ペア:

[(1, 1325366920), (2, 662683460), (4, 331341730), (5, 265073384), (8, 165670865), (10, 132536692), (17, 77962760), (20, 66268346), (34, 38981380), (40, 33134173), (68, 19490690), (85, 15592552), (103, 12867640), (127, 10435960), (136, 9745345), (149, 8895080), (170, 7796276), (206, 6433820), (254, 5217980), (298, 4447540), (340, 3898138), (412, 3216910), (508, 2608990), (515, 2573528), (596, 2223770), (635, 2087192), (680, 1949069), (745, 1779016), (824, 1608455), (1016, 1304495), (1030, 1286764), (1192, 1111885), (1270, 1043596), (1490, 889508), (1751, 756920), (2060, 643382), (2159, 613880), (2533, 523240), (2540, 521798), (2980, 444754), (3502, 378460), (4120, 321691), (4318, 306940), (5066, 261620), (5080, 260899), (5960, 222377), (7004, 189230), (8636, 153470), (8755, 151384), (10132, 130810), (10795, 122776), (12665, 104648), (13081, 101320), (14008, 94615), (15347, 86360), (17272, 76735), (17510, 75692), (18923, 70040), (20264, 65405), (21590, 61388), (25330, 52324), (26162, 50660), (30694, 43180), (35020, 37846)]