164464440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195791}}^1$

素因数の和:195812

約数の個数: 64

約数和(自身を含む): 563880960

約数和(自身を除く): 399416520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 195791, 391582, 587373, 783164, 978955, 1174746, 1370537, 1566328, 1957910, 2349492, 2741074, 2936865, 3915820, 4111611, 4698984, 5482148, 5873730, 6852685, 7831640, 8223222, 10964296, 11747460, 13705370, 16446444, 20558055, 23494920, 27410740, 32892888, 41116110, 54821480, 82232220, 164464440]

約数ペア:

[(1, 164464440), (2, 82232220), (3, 54821480), (4, 41116110), (5, 32892888), (6, 27410740), (7, 23494920), (8, 20558055), (10, 16446444), (12, 13705370), (14, 11747460), (15, 10964296), (20, 8223222), (21, 7831640), (24, 6852685), (28, 5873730), (30, 5482148), (35, 4698984), (40, 4111611), (42, 3915820), (56, 2936865), (60, 2741074), (70, 2349492), (84, 1957910), (105, 1566328), (120, 1370537), (140, 1174746), (168, 978955), (210, 783164), (280, 587373), (420, 391582), (840, 195791)]