180813920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23063}}^1$

素因数の和:23092

約数の個数: 72

約数和(自身を含む): 496936944

約数和(自身を除く): 316123024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 23063, 46126, 92252, 115315, 161441, 184504, 230630, 322882, 369008, 461260, 645764, 738016, 807205, 922520, 1130087, 1291528, 1614410, 1845040, 2260174, 2583056, 3228820, 3690080, 4520348, 5166112, 5650435, 6457640, 9040696, 11300870, 12915280, 18081392, 22601740, 25830560, 36162784, 45203480, 90406960, 180813920]

約数ペア:

[(1, 180813920), (2, 90406960), (4, 45203480), (5, 36162784), (7, 25830560), (8, 22601740), (10, 18081392), (14, 12915280), (16, 11300870), (20, 9040696), (28, 6457640), (32, 5650435), (35, 5166112), (40, 4520348), (49, 3690080), (56, 3228820), (70, 2583056), (80, 2260174), (98, 1845040), (112, 1614410), (140, 1291528), (160, 1130087), (196, 922520), (224, 807205), (245, 738016), (280, 645764), (392, 461260), (490, 369008), (560, 322882), (784, 230630), (980, 184504), (1120, 161441), (1568, 115315), (1960, 92252), (3920, 46126), (7840, 23063)]