669361840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1931}}^1$

素因数の和:2570

約数の個数: 80

約数和(自身を含む): 1782385920

約数和(自身を除く): 1113024080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 619, 1238, 1931, 2476, 3095, 3862, 4333, 4952, 6190, 7724, 8666, 9655, 9904, 12380, 13517, 15448, 17332, 19310, 21665, 24760, 27034, 30896, 34664, 38620, 43330, 49520, 54068, 67585, 69328, 77240, 86660, 108136, 135170, 154480, 173320, 216272, 270340, 346640, 540680, 1081360, 1195289, 2390578, 4781156, 5976445, 8367023, 9562312, 11952890, 16734046, 19124624, 23905780, 33468092, 41835115, 47811560, 66936184, 83670230, 95623120, 133872368, 167340460, 334680920, 669361840]

約数ペア:

[(1, 669361840), (2, 334680920), (4, 167340460), (5, 133872368), (7, 95623120), (8, 83670230), (10, 66936184), (14, 47811560), (16, 41835115), (20, 33468092), (28, 23905780), (35, 19124624), (40, 16734046), (56, 11952890), (70, 9562312), (80, 8367023), (112, 5976445), (140, 4781156), (280, 2390578), (560, 1195289), (619, 1081360), (1238, 540680), (1931, 346640), (2476, 270340), (3095, 216272), (3862, 173320), (4333, 154480), (4952, 135170), (6190, 108136), (7724, 86660), (8666, 77240), (9655, 69328), (9904, 67585), (12380, 54068), (13517, 49520), (15448, 43330), (17332, 38620), (19310, 34664), (21665, 30896), (24760, 27034)]