261874620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{3299}}^1$

素因数の和:3334

約数の個数: 180

約数和(自身を含む): 955924200

約数和(自身を除く): 694049580

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, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3299, 3780, 3969, 4410, 5292, 5670, 6598, 6615, 7938, 8820, 9897, 11340, 13196, 13230, 15876, 16495, 19794, 19845, 23093, 26460, 29691, 32990, 39588, 39690, 46186, 49485, 59382, 65980, 69279, 79380, 89073, 92372, 98970, 115465, 118764, 138558, 148455, 161651, 178146, 197940, 207837, 230930, 267219, 277116, 296910, 323302, 346395, 356292, 415674, 445365, 461860, 484953, 534438, 593820, 623511, 646604, 692790, 808255, 831348, 890730, 969906, 1039185, 1068876, 1247022, 1336095, 1385580, 1454859, 1616510, 1781460, 1870533, 1939812, 2078370, 2424765, 2494044, 2672190, 2909718, 3117555, 3233020, 3741066, 4156740, 4364577, 4849530, 5344380, 5819436, 6235110, 7274295, 7482132, 8729154, 9352665, 9699060, 12470220, 13093731, 14548590, 17458308, 18705330, 21822885, 26187462, 29097180, 37410660, 43645770, 52374924, 65468655, 87291540, 130937310, 261874620]

約数ペア:

[(1, 261874620), (2, 130937310), (3, 87291540), (4, 65468655), (5, 52374924), (6, 43645770), (7, 37410660), (9, 29097180), (10, 26187462), (12, 21822885), (14, 18705330), (15, 17458308), (18, 14548590), (20, 13093731), (21, 12470220), (27, 9699060), (28, 9352665), (30, 8729154), (35, 7482132), (36, 7274295), (42, 6235110), (45, 5819436), (49, 5344380), (54, 4849530), (60, 4364577), (63, 4156740), (70, 3741066), (81, 3233020), (84, 3117555), (90, 2909718), (98, 2672190), (105, 2494044), (108, 2424765), (126, 2078370), (135, 1939812), (140, 1870533), (147, 1781460), (162, 1616510), (180, 1454859), (189, 1385580), (196, 1336095), (210, 1247022), (245, 1068876), (252, 1039185), (270, 969906), (294, 890730), (315, 831348), (324, 808255), (378, 692790), (405, 646604), (420, 623511), (441, 593820), (490, 534438), (540, 484953), (567, 461860), (588, 445365), (630, 415674), (735, 356292), (756, 346395), (810, 323302), (882, 296910), (945, 277116), (980, 267219), (1134, 230930), (1260, 207837), (1323, 197940), (1470, 178146), (1620, 161651), (1764, 148455), (1890, 138558), (2205, 118764), (2268, 115465), (2646, 98970), (2835, 92372), (2940, 89073), (3299, 79380), (3780, 69279), (3969, 65980), (4410, 59382), (5292, 49485), (5670, 46186), (6598, 39690), (6615, 39588), (7938, 32990), (8820, 29691), (9897, 26460), (11340, 23093), (13196, 19845), (13230, 19794), (15876, 16495)]