251335980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{66491}}^1$

素因数の和:66516

約数の個数: 96

約数和(自身を含む): 893652480

約数和(自身を除く): 642316500

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, 66491, 132982, 199473, 265964, 332455, 398946, 465437, 598419, 664910, 797892, 930874, 997365, 1196838, 1329820, 1396311, 1795257, 1861748, 1994730, 2327185, 2393676, 2792622, 2992095, 3590514, 3989460, 4188933, 4654370, 5585244, 5984190, 6981555, 7181028, 8377866, 8976285, 9308740, 11968380, 12566799, 13963110, 16755732, 17952570, 20944665, 25133598, 27926220, 35905140, 41889330, 50267196, 62833995, 83778660, 125667990, 251335980]

約数ペア:

[(1, 251335980), (2, 125667990), (3, 83778660), (4, 62833995), (5, 50267196), (6, 41889330), (7, 35905140), (9, 27926220), (10, 25133598), (12, 20944665), (14, 17952570), (15, 16755732), (18, 13963110), (20, 12566799), (21, 11968380), (27, 9308740), (28, 8976285), (30, 8377866), (35, 7181028), (36, 6981555), (42, 5984190), (45, 5585244), (54, 4654370), (60, 4188933), (63, 3989460), (70, 3590514), (84, 2992095), (90, 2792622), (105, 2393676), (108, 2327185), (126, 1994730), (135, 1861748), (140, 1795257), (180, 1396311), (189, 1329820), (210, 1196838), (252, 997365), (270, 930874), (315, 797892), (378, 664910), (420, 598419), (540, 465437), (630, 398946), (756, 332455), (945, 265964), (1260, 199473), (1890, 132982), (3780, 66491)]