2156358400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:539

約数の個数: 216

約数和(自身を含む): 6164049920

約数和(自身を除く): 4007691520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 127, 128, 140, 160, 175, 200, 224, 254, 256, 280, 320, 350, 379, 400, 448, 508, 560, 635, 640, 700, 758, 800, 889, 896, 1016, 1120, 1270, 1280, 1400, 1516, 1600, 1778, 1792, 1895, 2032, 2240, 2540, 2653, 2800, 3032, 3175, 3200, 3556, 3790, 4064, 4445, 4480, 5080, 5306, 5600, 6064, 6350, 6400, 7112, 7580, 8128, 8890, 8960, 9475, 10160, 10612, 11200, 12128, 12700, 13265, 14224, 15160, 16256, 17780, 18950, 20320, 21224, 22225, 22400, 24256, 25400, 26530, 28448, 30320, 32512, 35560, 37900, 40640, 42448, 44450, 44800, 48133, 48512, 50800, 53060, 56896, 60640, 66325, 71120, 75800, 81280, 84896, 88900, 96266, 97024, 101600, 106120, 113792, 121280, 132650, 142240, 151600, 162560, 169792, 177800, 192532, 203200, 212240, 227584, 240665, 242560, 265300, 284480, 303200, 336931, 339584, 355600, 385064, 406400, 424480, 481330, 485120, 530600, 568960, 606400, 673862, 679168, 711200, 770128, 812800, 848960, 962660, 1061200, 1137920, 1203325, 1212800, 1347724, 1422400, 1540256, 1684655, 1697920, 1925320, 2122400, 2406650, 2425600, 2695448, 2844800, 3080512, 3369310, 3395840, 3850640, 4244800, 4813300, 5390896, 5689600, 6161024, 6738620, 7701280, 8423275, 8489600, 9626600, 10781792, 12322048, 13477240, 15402560, 16846550, 16979200, 19253200, 21563584, 26954480, 30805120, 33693100, 38506400, 43127168, 53908960, 61610240, 67386200, 77012800, 86254336, 107817920, 134772400, 154025600, 215635840, 269544800, 308051200, 431271680, 539089600, 1078179200, 2156358400]

約数ペア:

[(1, 2156358400), (2, 1078179200), (4, 539089600), (5, 431271680), (7, 308051200), (8, 269544800), (10, 215635840), (14, 154025600), (16, 134772400), (20, 107817920), (25, 86254336), (28, 77012800), (32, 67386200), (35, 61610240), (40, 53908960), (50, 43127168), (56, 38506400), (64, 33693100), (70, 30805120), (80, 26954480), (100, 21563584), (112, 19253200), (127, 16979200), (128, 16846550), (140, 15402560), (160, 13477240), (175, 12322048), (200, 10781792), (224, 9626600), (254, 8489600), (256, 8423275), (280, 7701280), (320, 6738620), (350, 6161024), (379, 5689600), (400, 5390896), (448, 4813300), (508, 4244800), (560, 3850640), (635, 3395840), (640, 3369310), (700, 3080512), (758, 2844800), (800, 2695448), (889, 2425600), (896, 2406650), (1016, 2122400), (1120, 1925320), (1270, 1697920), (1280, 1684655), (1400, 1540256), (1516, 1422400), (1600, 1347724), (1778, 1212800), (1792, 1203325), (1895, 1137920), (2032, 1061200), (2240, 962660), (2540, 848960), (2653, 812800), (2800, 770128), (3032, 711200), (3175, 679168), (3200, 673862), (3556, 606400), (3790, 568960), (4064, 530600), (4445, 485120), (4480, 481330), (5080, 424480), (5306, 406400), (5600, 385064), (6064, 355600), (6350, 339584), (6400, 336931), (7112, 303200), (7580, 284480), (8128, 265300), (8890, 242560), (8960, 240665), (9475, 227584), (10160, 212240), (10612, 203200), (11200, 192532), (12128, 177800), (12700, 169792), (13265, 162560), (14224, 151600), (15160, 142240), (16256, 132650), (17780, 121280), (18950, 113792), (20320, 106120), (21224, 101600), (22225, 97024), (22400, 96266), (24256, 88900), (25400, 84896), (26530, 81280), (28448, 75800), (30320, 71120), (32512, 66325), (35560, 60640), (37900, 56896), (40640, 53060), (42448, 50800), (44450, 48512), (44800, 48133)]