18588640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2371}}^1$

素因数の和:2400

約数の個数: 72

約数和(自身を含む): 51107112

約数和(自身を除く): 32518472

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, 2371, 3920, 4742, 7840, 9484, 11855, 16597, 18968, 23710, 33194, 37936, 47420, 66388, 75872, 82985, 94840, 116179, 132776, 165970, 189680, 232358, 265552, 331940, 379360, 464716, 531104, 580895, 663880, 929432, 1161790, 1327760, 1858864, 2323580, 2655520, 3717728, 4647160, 9294320, 18588640]

約数ペア:

[(1, 18588640), (2, 9294320), (4, 4647160), (5, 3717728), (7, 2655520), (8, 2323580), (10, 1858864), (14, 1327760), (16, 1161790), (20, 929432), (28, 663880), (32, 580895), (35, 531104), (40, 464716), (49, 379360), (56, 331940), (70, 265552), (80, 232358), (98, 189680), (112, 165970), (140, 132776), (160, 116179), (196, 94840), (224, 82985), (245, 75872), (280, 66388), (392, 47420), (490, 37936), (560, 33194), (784, 23710), (980, 18968), (1120, 16597), (1568, 11855), (1960, 9484), (2371, 7840), (3920, 4742)]