20780053560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{24469}}^1$

素因数の和:24830

約数の個数: 192

約数和(自身を含む): 77415249600

約数和(自身を除く): 56635196040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 337, 360, 420, 504, 630, 674, 840, 1011, 1260, 1348, 1685, 2022, 2359, 2520, 2696, 3033, 3370, 4044, 4718, 5055, 6066, 6740, 7077, 8088, 9436, 10110, 11795, 12132, 13480, 14154, 15165, 18872, 20220, 21231, 23590, 24264, 24469, 28308, 30330, 35385, 40440, 42462, 47180, 48938, 56616, 60660, 70770, 73407, 84924, 94360, 97876, 106155, 121320, 122345, 141540, 146814, 169848, 171283, 195752, 212310, 220221, 244690, 283080, 293628, 342566, 367035, 424620, 440442, 489380, 513849, 587256, 685132, 734070, 849240, 856415, 880884, 978760, 1027698, 1101105, 1370264, 1468140, 1541547, 1712830, 1761768, 2055396, 2202210, 2569245, 2936280, 3083094, 3425660, 4110792, 4404420, 5138490, 6166188, 6851320, 7707735, 8246053, 8808840, 10276980, 12332376, 15415470, 16492106, 20553960, 24738159, 30830940, 32984212, 41230265, 49476318, 57722371, 61661880, 65968424, 74214477, 82460530, 98952636, 115444742, 123690795, 148428954, 164921060, 173167113, 197905272, 230889484, 247381590, 288611855, 296857908, 329842120, 346334226, 371072385, 461778968, 494763180, 519501339, 577223710, 593715816, 692668452, 742144770, 865835565, 989526360, 1039002678, 1154447420, 1385336904, 1484289540, 1731671130, 2078005356, 2308894840, 2597506695, 2968579080, 3463342260, 4156010712, 5195013390, 6926684520, 10390026780, 20780053560]

約数ペア:

[(1, 20780053560), (2, 10390026780), (3, 6926684520), (4, 5195013390), (5, 4156010712), (6, 3463342260), (7, 2968579080), (8, 2597506695), (9, 2308894840), (10, 2078005356), (12, 1731671130), (14, 1484289540), (15, 1385336904), (18, 1154447420), (20, 1039002678), (21, 989526360), (24, 865835565), (28, 742144770), (30, 692668452), (35, 593715816), (36, 577223710), (40, 519501339), (42, 494763180), (45, 461778968), (56, 371072385), (60, 346334226), (63, 329842120), (70, 296857908), (72, 288611855), (84, 247381590), (90, 230889484), (105, 197905272), (120, 173167113), (126, 164921060), (140, 148428954), (168, 123690795), (180, 115444742), (210, 98952636), (252, 82460530), (280, 74214477), (315, 65968424), (337, 61661880), (360, 57722371), (420, 49476318), (504, 41230265), (630, 32984212), (674, 30830940), (840, 24738159), (1011, 20553960), (1260, 16492106), (1348, 15415470), (1685, 12332376), (2022, 10276980), (2359, 8808840), (2520, 8246053), (2696, 7707735), (3033, 6851320), (3370, 6166188), (4044, 5138490), (4718, 4404420), (5055, 4110792), (6066, 3425660), (6740, 3083094), (7077, 2936280), (8088, 2569245), (9436, 2202210), (10110, 2055396), (11795, 1761768), (12132, 1712830), (13480, 1541547), (14154, 1468140), (15165, 1370264), (18872, 1101105), (20220, 1027698), (21231, 978760), (23590, 880884), (24264, 856415), (24469, 849240), (28308, 734070), (30330, 685132), (35385, 587256), (40440, 513849), (42462, 489380), (47180, 440442), (48938, 424620), (56616, 367035), (60660, 342566), (70770, 293628), (73407, 283080), (84924, 244690), (94360, 220221), (97876, 212310), (106155, 195752), (121320, 171283), (122345, 169848), (141540, 146814)]