78447960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3823}}^1$

素因数の和:3862

約数の個数: 128

約数和(自身を含む): 275328000

約数和(自身を除く): 196880040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 3823, 4104, 5130, 6840, 7646, 10260, 11469, 15292, 19115, 20520, 22938, 30584, 34407, 38230, 45876, 57345, 68814, 72637, 76460, 91752, 103221, 114690, 137628, 145274, 152920, 172035, 206442, 217911, 229380, 275256, 290548, 344070, 363185, 412884, 435822, 458760, 516105, 581096, 653733, 688140, 726370, 825768, 871644, 1032210, 1089555, 1307466, 1376280, 1452740, 1743288, 1961199, 2064420, 2179110, 2614932, 2905480, 3268665, 3922398, 4128840, 4358220, 5229864, 6537330, 7844796, 8716440, 9805995, 13074660, 15689592, 19611990, 26149320, 39223980, 78447960]

約数ペア:

[(1, 78447960), (2, 39223980), (3, 26149320), (4, 19611990), (5, 15689592), (6, 13074660), (8, 9805995), (9, 8716440), (10, 7844796), (12, 6537330), (15, 5229864), (18, 4358220), (19, 4128840), (20, 3922398), (24, 3268665), (27, 2905480), (30, 2614932), (36, 2179110), (38, 2064420), (40, 1961199), (45, 1743288), (54, 1452740), (57, 1376280), (60, 1307466), (72, 1089555), (76, 1032210), (90, 871644), (95, 825768), (108, 726370), (114, 688140), (120, 653733), (135, 581096), (152, 516105), (171, 458760), (180, 435822), (190, 412884), (216, 363185), (228, 344070), (270, 290548), (285, 275256), (342, 229380), (360, 217911), (380, 206442), (456, 172035), (513, 152920), (540, 145274), (570, 137628), (684, 114690), (760, 103221), (855, 91752), (1026, 76460), (1080, 72637), (1140, 68814), (1368, 57345), (1710, 45876), (2052, 38230), (2280, 34407), (2565, 30584), (3420, 22938), (3823, 20520), (4104, 19115), (5130, 15292), (6840, 11469), (7646, 10260)]