15690780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{593}}^1$

素因数の和:625

約数の個数: 144

約数和(自身を含む): 56881440

約数和(自身を除く): 41190660

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, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 593, 630, 735, 756, 882, 945, 980, 1186, 1260, 1323, 1470, 1764, 1779, 1890, 2205, 2372, 2646, 2940, 2965, 3558, 3780, 4151, 4410, 5292, 5337, 5930, 6615, 7116, 8302, 8820, 8895, 10674, 11860, 12453, 13230, 16011, 16604, 17790, 20755, 21348, 24906, 26460, 26685, 29057, 32022, 35580, 37359, 41510, 49812, 53370, 58114, 62265, 64044, 74718, 80055, 83020, 87171, 106740, 112077, 116228, 124530, 145285, 149436, 160110, 174342, 186795, 224154, 249060, 261513, 290570, 320220, 348684, 373590, 435855, 448308, 523026, 560385, 581140, 747180, 784539, 871710, 1046052, 1120770, 1307565, 1569078, 1743420, 2241540, 2615130, 3138156, 3922695, 5230260, 7845390, 15690780]

約数ペア:

[(1, 15690780), (2, 7845390), (3, 5230260), (4, 3922695), (5, 3138156), (6, 2615130), (7, 2241540), (9, 1743420), (10, 1569078), (12, 1307565), (14, 1120770), (15, 1046052), (18, 871710), (20, 784539), (21, 747180), (27, 581140), (28, 560385), (30, 523026), (35, 448308), (36, 435855), (42, 373590), (45, 348684), (49, 320220), (54, 290570), (60, 261513), (63, 249060), (70, 224154), (84, 186795), (90, 174342), (98, 160110), (105, 149436), (108, 145285), (126, 124530), (135, 116228), (140, 112077), (147, 106740), (180, 87171), (189, 83020), (196, 80055), (210, 74718), (245, 64044), (252, 62265), (270, 58114), (294, 53370), (315, 49812), (378, 41510), (420, 37359), (441, 35580), (490, 32022), (540, 29057), (588, 26685), (593, 26460), (630, 24906), (735, 21348), (756, 20755), (882, 17790), (945, 16604), (980, 16011), (1186, 13230), (1260, 12453), (1323, 11860), (1470, 10674), (1764, 8895), (1779, 8820), (1890, 8302), (2205, 7116), (2372, 6615), (2646, 5930), (2940, 5337), (2965, 5292), (3558, 4410), (3780, 4151)]