2154021660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{189949}}^1$

素因数の和:189977

約数の個数: 120

約数和(自身を含む): 7722607200

約数和(自身を除く): 5568585540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 189949, 379898, 569847, 759796, 949745, 1139694, 1329643, 1709541, 1899490, 2279388, 2659286, 2849235, 3419082, 3798980, 3988929, 5128623, 5318572, 5698470, 6648215, 6838164, 7977858, 8547705, 10257246, 11396940, 11966787, 13296430, 15385869, 15955716, 17095410, 19944645, 20514492, 23933574, 25643115, 26592860, 30771738, 34190820, 35900361, 39889290, 47867148, 51286230, 59833935, 61543476, 71800722, 76929345, 79778580, 102572460, 107701083, 119667870, 143601444, 153858690, 179501805, 215402166, 239335740, 307717380, 359003610, 430804332, 538505415, 718007220, 1077010830, 2154021660]

約数ペア:

[(1, 2154021660), (2, 1077010830), (3, 718007220), (4, 538505415), (5, 430804332), (6, 359003610), (7, 307717380), (9, 239335740), (10, 215402166), (12, 179501805), (14, 153858690), (15, 143601444), (18, 119667870), (20, 107701083), (21, 102572460), (27, 79778580), (28, 76929345), (30, 71800722), (35, 61543476), (36, 59833935), (42, 51286230), (45, 47867148), (54, 39889290), (60, 35900361), (63, 34190820), (70, 30771738), (81, 26592860), (84, 25643115), (90, 23933574), (105, 20514492), (108, 19944645), (126, 17095410), (135, 15955716), (140, 15385869), (162, 13296430), (180, 11966787), (189, 11396940), (210, 10257246), (252, 8547705), (270, 7977858), (315, 6838164), (324, 6648215), (378, 5698470), (405, 5318572), (420, 5128623), (540, 3988929), (567, 3798980), (630, 3419082), (756, 2849235), (810, 2659286), (945, 2279388), (1134, 1899490), (1260, 1709541), (1620, 1329643), (1890, 1139694), (2268, 949745), (2835, 759796), (3780, 569847), (5670, 379898), (11340, 189949)]