78913560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 260444160

約数和(自身を除く): 181530600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 191, 220, 264, 313, 330, 382, 440, 573, 626, 660, 764, 939, 955, 1146, 1252, 1320, 1528, 1565, 1878, 1910, 2101, 2292, 2504, 2865, 3130, 3443, 3756, 3820, 4202, 4584, 4695, 5730, 6260, 6303, 6886, 7512, 7640, 8404, 9390, 10329, 10505, 11460, 12520, 12606, 13772, 16808, 17215, 18780, 20658, 21010, 22920, 25212, 27544, 31515, 34430, 37560, 41316, 42020, 50424, 51645, 59783, 63030, 68860, 82632, 84040, 103290, 119566, 126060, 137720, 179349, 206580, 239132, 252120, 298915, 358698, 413160, 478264, 597830, 657613, 717396, 896745, 1195660, 1315226, 1434792, 1793490, 1972839, 2391320, 2630452, 3288065, 3586980, 3945678, 5260904, 6576130, 7173960, 7891356, 9864195, 13152260, 15782712, 19728390, 26304520, 39456780, 78913560]

約数ペア:

[(1, 78913560), (2, 39456780), (3, 26304520), (4, 19728390), (5, 15782712), (6, 13152260), (8, 9864195), (10, 7891356), (11, 7173960), (12, 6576130), (15, 5260904), (20, 3945678), (22, 3586980), (24, 3288065), (30, 2630452), (33, 2391320), (40, 1972839), (44, 1793490), (55, 1434792), (60, 1315226), (66, 1195660), (88, 896745), (110, 717396), (120, 657613), (132, 597830), (165, 478264), (191, 413160), (220, 358698), (264, 298915), (313, 252120), (330, 239132), (382, 206580), (440, 179349), (573, 137720), (626, 126060), (660, 119566), (764, 103290), (939, 84040), (955, 82632), (1146, 68860), (1252, 63030), (1320, 59783), (1528, 51645), (1565, 50424), (1878, 42020), (1910, 41316), (2101, 37560), (2292, 34430), (2504, 31515), (2865, 27544), (3130, 25212), (3443, 22920), (3756, 21010), (3820, 20658), (4202, 18780), (4584, 17215), (4695, 16808), (5730, 13772), (6260, 12606), (6303, 12520), (6886, 11460), (7512, 10505), (7640, 10329), (8404, 9390)]