148807720

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{7639}}^1$

素因数の和:8137

約数の個数: 32

約数和(自身を含む): 335548800

約数和(自身を除く): 186741080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 7639, 9740, 15278, 19480, 30556, 38195, 61112, 76390, 152780, 305560, 3720193, 7440386, 14880772, 18600965, 29761544, 37201930, 74403860, 148807720]

約数ペア:

[(1, 148807720), (2, 74403860), (4, 37201930), (5, 29761544), (8, 18600965), (10, 14880772), (20, 7440386), (40, 3720193), (487, 305560), (974, 152780), (1948, 76390), (2435, 61112), (3896, 38195), (4870, 30556), (7639, 19480), (9740, 15278)]