209475840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{7793}}^1$

素因数の和:7824

約数の個数: 144

約数和(自身を含む): 764684928

約数和(自身を除く): 555209088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 7793, 8960, 13440, 15586, 23379, 26880, 31172, 38965, 46758, 54551, 62344, 77930, 93516, 109102, 116895, 124688, 155860, 163653, 187032, 218204, 233790, 249376, 272755, 311720, 327306, 374064, 436408, 467580, 498752, 545510, 623440, 654612, 748128, 818265, 872816, 935160, 997504, 1091020, 1246880, 1309224, 1496256, 1636530, 1745632, 1870320, 1995008, 2182040, 2493760, 2618448, 2992512, 3273060, 3491264, 3740640, 4364080, 4987520, 5236896, 5985024, 6546120, 6982528, 7481280, 8728160, 9975040, 10473792, 13092240, 13965056, 14962560, 17456320, 20947584, 26184480, 29925120, 34912640, 41895168, 52368960, 69825280, 104737920, 209475840]

約数ペア:

[(1, 209475840), (2, 104737920), (3, 69825280), (4, 52368960), (5, 41895168), (6, 34912640), (7, 29925120), (8, 26184480), (10, 20947584), (12, 17456320), (14, 14962560), (15, 13965056), (16, 13092240), (20, 10473792), (21, 9975040), (24, 8728160), (28, 7481280), (30, 6982528), (32, 6546120), (35, 5985024), (40, 5236896), (42, 4987520), (48, 4364080), (56, 3740640), (60, 3491264), (64, 3273060), (70, 2992512), (80, 2618448), (84, 2493760), (96, 2182040), (105, 1995008), (112, 1870320), (120, 1745632), (128, 1636530), (140, 1496256), (160, 1309224), (168, 1246880), (192, 1091020), (210, 997504), (224, 935160), (240, 872816), (256, 818265), (280, 748128), (320, 654612), (336, 623440), (384, 545510), (420, 498752), (448, 467580), (480, 436408), (560, 374064), (640, 327306), (672, 311720), (768, 272755), (840, 249376), (896, 233790), (960, 218204), (1120, 187032), (1280, 163653), (1344, 155860), (1680, 124688), (1792, 116895), (1920, 109102), (2240, 93516), (2688, 77930), (3360, 62344), (3840, 54551), (4480, 46758), (5376, 38965), (6720, 31172), (7793, 26880), (8960, 23379), (13440, 15586)]