2049720120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{271127}}^1$

素因数の和:271154

約数の個数: 128

約数和(自身を含む): 7808486400

約数和(自身を除く): 5758766280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 271127, 542254, 813381, 1084508, 1355635, 1626762, 1897889, 2169016, 2440143, 2711270, 3253524, 3795778, 4066905, 4880286, 5422540, 5693667, 6507048, 7320429, 7591556, 8133810, 9489445, 9760572, 10845080, 11387334, 12200715, 14640858, 15183112, 16267620, 17081001, 18978890, 19521144, 22774668, 24401430, 28468335, 29281716, 32535240, 34162002, 36602145, 37957780, 45549336, 48802860, 51243003, 56936670, 58563432, 68324004, 73204290, 75915560, 85405005, 97605720, 102486006, 113873340, 136648008, 146408580, 170810010, 204972012, 227746680, 256215015, 292817160, 341620020, 409944024, 512430030, 683240040, 1024860060, 2049720120]

約数ペア:

[(1, 2049720120), (2, 1024860060), (3, 683240040), (4, 512430030), (5, 409944024), (6, 341620020), (7, 292817160), (8, 256215015), (9, 227746680), (10, 204972012), (12, 170810010), (14, 146408580), (15, 136648008), (18, 113873340), (20, 102486006), (21, 97605720), (24, 85405005), (27, 75915560), (28, 73204290), (30, 68324004), (35, 58563432), (36, 56936670), (40, 51243003), (42, 48802860), (45, 45549336), (54, 37957780), (56, 36602145), (60, 34162002), (63, 32535240), (70, 29281716), (72, 28468335), (84, 24401430), (90, 22774668), (105, 19521144), (108, 18978890), (120, 17081001), (126, 16267620), (135, 15183112), (140, 14640858), (168, 12200715), (180, 11387334), (189, 10845080), (210, 9760572), (216, 9489445), (252, 8133810), (270, 7591556), (280, 7320429), (315, 6507048), (360, 5693667), (378, 5422540), (420, 4880286), (504, 4066905), (540, 3795778), (630, 3253524), (756, 2711270), (840, 2440143), (945, 2169016), (1080, 1897889), (1260, 1626762), (1512, 1355635), (1890, 1084508), (2520, 813381), (3780, 542254), (7560, 271127)]