287245980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{75991}}^1$

素因数の和:76016

約数の個数: 96

約数和(自身を含む): 1021332480

約数和(自身を除く): 734086500

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 75991, 151982, 227973, 303964, 379955, 455946, 531937, 683919, 759910, 911892, 1063874, 1139865, 1367838, 1519820, 1595811, 2051757, 2127748, 2279730, 2659685, 2735676, 3191622, 3419595, 4103514, 4559460, 4787433, 5319370, 6383244, 6839190, 7979055, 8207028, 9574866, 10258785, 10638740, 13678380, 14362299, 15958110, 19149732, 20517570, 23937165, 28724598, 31916220, 41035140, 47874330, 57449196, 71811495, 95748660, 143622990, 287245980]

約数ペア:

[(1, 287245980), (2, 143622990), (3, 95748660), (4, 71811495), (5, 57449196), (6, 47874330), (7, 41035140), (9, 31916220), (10, 28724598), (12, 23937165), (14, 20517570), (15, 19149732), (18, 15958110), (20, 14362299), (21, 13678380), (27, 10638740), (28, 10258785), (30, 9574866), (35, 8207028), (36, 7979055), (42, 6839190), (45, 6383244), (54, 5319370), (60, 4787433), (63, 4559460), (70, 4103514), (84, 3419595), (90, 3191622), (105, 2735676), (108, 2659685), (126, 2279730), (135, 2127748), (140, 2051757), (180, 1595811), (189, 1519820), (210, 1367838), (252, 1139865), (270, 1063874), (315, 911892), (378, 759910), (420, 683919), (540, 531937), (630, 455946), (756, 379955), (945, 303964), (1260, 227973), (1890, 151982), (3780, 75991)]