15750620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 35162400

約数和(自身を除く): 19411780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 229, 362, 380, 458, 724, 905, 916, 1145, 1810, 2290, 3439, 3620, 4351, 4580, 6878, 8702, 13756, 17195, 17404, 21755, 34390, 41449, 43510, 68780, 82898, 87020, 165796, 207245, 414490, 787531, 828980, 1575062, 3150124, 3937655, 7875310, 15750620]

約数ペア:

[(1, 15750620), (2, 7875310), (4, 3937655), (5, 3150124), (10, 1575062), (19, 828980), (20, 787531), (38, 414490), (76, 207245), (95, 165796), (181, 87020), (190, 82898), (229, 68780), (362, 43510), (380, 41449), (458, 34390), (724, 21755), (905, 17404), (916, 17195), (1145, 13756), (1810, 8702), (2290, 6878), (3439, 4580), (3620, 4351)]