28945980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22973}}^1$

素因数の和:22995

約数の個数: 72

約数和(自身を含む): 100350432

約数和(自身を除く): 71404452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22973, 45946, 68919, 91892, 114865, 137838, 160811, 206757, 229730, 275676, 321622, 344595, 413514, 459460, 482433, 643244, 689190, 804055, 827028, 964866, 1033785, 1378380, 1447299, 1608110, 1929732, 2067570, 2412165, 2894598, 3216220, 4135140, 4824330, 5789196, 7236495, 9648660, 14472990, 28945980]

約数ペア:

[(1, 28945980), (2, 14472990), (3, 9648660), (4, 7236495), (5, 5789196), (6, 4824330), (7, 4135140), (9, 3216220), (10, 2894598), (12, 2412165), (14, 2067570), (15, 1929732), (18, 1608110), (20, 1447299), (21, 1378380), (28, 1033785), (30, 964866), (35, 827028), (36, 804055), (42, 689190), (45, 643244), (60, 482433), (63, 459460), (70, 413514), (84, 344595), (90, 321622), (105, 275676), (126, 229730), (140, 206757), (180, 160811), (210, 137838), (252, 114865), (315, 91892), (420, 68919), (630, 45946), (1260, 22973)]