19996885440

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{991909}}^1$

素因数の和:991939

約数の個数: 168

約数和(自身を含む): 78606883680

約数和(自身を除く): 58609998240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 991909, 1983818, 2975727, 3967636, 4959545, 5951454, 6943363, 7935272, 8927181, 9919090, 11902908, 13886726, 14878635, 15870544, 17854362, 19838180, 20830089, 23805816, 27773452, 29757270, 31741088, 34716815, 35708724, 39676360, 41660178, 44635905, 47611632, 55546904, 59514540, 62490267, 63482176, 69433630, 71417448, 79352720, 83320356, 89271810, 95223264, 104150445, 111093808, 119029080, 124980534, 138867260, 142834896, 158705440, 166640712, 178543620, 190446528, 208300890, 222187616, 238058160, 249961068, 277734520, 285669792, 312451335, 317410880, 333281424, 357087240, 416601780, 444375232, 476116320, 499922136, 555469040, 571339584, 624902670, 666562848, 714174480, 833203560, 952232640, 999844272, 1110938080, 1249805340, 1333125696, 1428348960, 1666407120, 1999688544, 2221876160, 2499610680, 2856697920, 3332814240, 3999377088, 4999221360, 6665628480, 9998442720, 19996885440]

約数ペア:

[(1, 19996885440), (2, 9998442720), (3, 6665628480), (4, 4999221360), (5, 3999377088), (6, 3332814240), (7, 2856697920), (8, 2499610680), (9, 2221876160), (10, 1999688544), (12, 1666407120), (14, 1428348960), (15, 1333125696), (16, 1249805340), (18, 1110938080), (20, 999844272), (21, 952232640), (24, 833203560), (28, 714174480), (30, 666562848), (32, 624902670), (35, 571339584), (36, 555469040), (40, 499922136), (42, 476116320), (45, 444375232), (48, 416601780), (56, 357087240), (60, 333281424), (63, 317410880), (64, 312451335), (70, 285669792), (72, 277734520), (80, 249961068), (84, 238058160), (90, 222187616), (96, 208300890), (105, 190446528), (112, 178543620), (120, 166640712), (126, 158705440), (140, 142834896), (144, 138867260), (160, 124980534), (168, 119029080), (180, 111093808), (192, 104150445), (210, 95223264), (224, 89271810), (240, 83320356), (252, 79352720), (280, 71417448), (288, 69433630), (315, 63482176), (320, 62490267), (336, 59514540), (360, 55546904), (420, 47611632), (448, 44635905), (480, 41660178), (504, 39676360), (560, 35708724), (576, 34716815), (630, 31741088), (672, 29757270), (720, 27773452), (840, 23805816), (960, 20830089), (1008, 19838180), (1120, 17854362), (1260, 15870544), (1344, 14878635), (1440, 13886726), (1680, 11902908), (2016, 9919090), (2240, 8927181), (2520, 7935272), (2880, 6943363), (3360, 5951454), (4032, 4959545), (5040, 3967636), (6720, 2975727), (10080, 1983818), (20160, 991909)]