97728640

素因数分解:

$2^7\times 5^1\times {\mathrm{311}}^1\times {\mathrm{491}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 234861120

約数和(自身を除く): 137132480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 311, 320, 491, 622, 640, 982, 1244, 1555, 1964, 2455, 2488, 3110, 3928, 4910, 4976, 6220, 7856, 9820, 9952, 12440, 15712, 19640, 19904, 24880, 31424, 39280, 39808, 49760, 62848, 78560, 99520, 152701, 157120, 199040, 305402, 314240, 610804, 763505, 1221608, 1527010, 2443216, 3054020, 4886432, 6108040, 9772864, 12216080, 19545728, 24432160, 48864320, 97728640]

約数ペア:

[(1, 97728640), (2, 48864320), (4, 24432160), (5, 19545728), (8, 12216080), (10, 9772864), (16, 6108040), (20, 4886432), (32, 3054020), (40, 2443216), (64, 1527010), (80, 1221608), (128, 763505), (160, 610804), (311, 314240), (320, 305402), (491, 199040), (622, 157120), (640, 152701), (982, 99520), (1244, 78560), (1555, 62848), (1964, 49760), (2455, 39808), (2488, 39280), (3110, 31424), (3928, 24880), (4910, 19904), (4976, 19640), (6220, 15712), (7856, 12440), (9820, 9952)]