64639980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359111}}^1$

素因数の和:359126

約数の個数: 36

約数和(自身を含む): 196075152

約数和(自身を除く): 131435172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359111, 718222, 1077333, 1436444, 1795555, 2154666, 3231999, 3591110, 4309332, 5386665, 6463998, 7182220, 10773330, 12927996, 16159995, 21546660, 32319990, 64639980]

約数ペア:

[(1, 64639980), (2, 32319990), (3, 21546660), (4, 16159995), (5, 12927996), (6, 10773330), (9, 7182220), (10, 6463998), (12, 5386665), (15, 4309332), (18, 3591110), (20, 3231999), (30, 2154666), (36, 1795555), (45, 1436444), (60, 1077333), (90, 718222), (180, 359111)]