20335712880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{26959}}^1$

素因数の和:27431

約数の個数: 160

約数和(自身を含む): 72209664000

約数和(自身を除く): 51873951120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 449, 560, 840, 898, 1347, 1680, 1796, 2245, 2694, 3143, 3592, 4490, 5388, 6286, 6735, 7184, 8980, 9429, 10776, 12572, 13470, 15715, 17960, 18858, 21552, 25144, 26940, 26959, 31430, 35920, 37716, 47145, 50288, 53880, 53918, 62860, 75432, 80877, 94290, 107760, 107836, 125720, 134795, 150864, 161754, 188580, 188713, 215672, 251440, 269590, 323508, 377160, 377426, 404385, 431344, 539180, 566139, 647016, 754320, 754852, 808770, 943565, 1078360, 1132278, 1294032, 1509704, 1617540, 1887130, 2156720, 2264556, 2830695, 3019408, 3235080, 3774260, 4529112, 5661390, 6470160, 7548520, 9058224, 11322780, 12104591, 15097040, 22645560, 24209182, 36313773, 45291120, 48418364, 60522955, 72627546, 84732137, 96836728, 121045910, 145255092, 169464274, 181568865, 193673456, 242091820, 254196411, 290510184, 338928548, 363137730, 423660685, 484183640, 508392822, 581020368, 677857096, 726275460, 847321370, 968367280, 1016785644, 1270982055, 1355714192, 1452550920, 1694642740, 2033571288, 2541964110, 2905101840, 3389285480, 4067142576, 5083928220, 6778570960, 10167856440, 20335712880]

約数ペア:

[(1, 20335712880), (2, 10167856440), (3, 6778570960), (4, 5083928220), (5, 4067142576), (6, 3389285480), (7, 2905101840), (8, 2541964110), (10, 2033571288), (12, 1694642740), (14, 1452550920), (15, 1355714192), (16, 1270982055), (20, 1016785644), (21, 968367280), (24, 847321370), (28, 726275460), (30, 677857096), (35, 581020368), (40, 508392822), (42, 484183640), (48, 423660685), (56, 363137730), (60, 338928548), (70, 290510184), (80, 254196411), (84, 242091820), (105, 193673456), (112, 181568865), (120, 169464274), (140, 145255092), (168, 121045910), (210, 96836728), (240, 84732137), (280, 72627546), (336, 60522955), (420, 48418364), (449, 45291120), (560, 36313773), (840, 24209182), (898, 22645560), (1347, 15097040), (1680, 12104591), (1796, 11322780), (2245, 9058224), (2694, 7548520), (3143, 6470160), (3592, 5661390), (4490, 4529112), (5388, 3774260), (6286, 3235080), (6735, 3019408), (7184, 2830695), (8980, 2264556), (9429, 2156720), (10776, 1887130), (12572, 1617540), (13470, 1509704), (15715, 1294032), (17960, 1132278), (18858, 1078360), (21552, 943565), (25144, 808770), (26940, 754852), (26959, 754320), (31430, 647016), (35920, 566139), (37716, 539180), (47145, 431344), (50288, 404385), (53880, 377426), (53918, 377160), (62860, 323508), (75432, 269590), (80877, 251440), (94290, 215672), (107760, 188713), (107836, 188580), (125720, 161754), (134795, 150864)]