16239580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 40391568

約数和(自身を除く): 24151988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 227, 245, 292, 365, 454, 490, 511, 730, 908, 980, 1022, 1135, 1460, 1589, 2044, 2270, 2555, 3178, 3577, 4540, 5110, 6356, 7154, 7945, 10220, 11123, 14308, 15890, 16571, 17885, 22246, 31780, 33142, 35770, 44492, 55615, 66284, 71540, 82855, 111230, 115997, 165710, 222460, 231994, 331420, 463988, 579985, 811979, 1159970, 1623958, 2319940, 3247916, 4059895, 8119790, 16239580]

約数ペア:

[(1, 16239580), (2, 8119790), (4, 4059895), (5, 3247916), (7, 2319940), (10, 1623958), (14, 1159970), (20, 811979), (28, 579985), (35, 463988), (49, 331420), (70, 231994), (73, 222460), (98, 165710), (140, 115997), (146, 111230), (196, 82855), (227, 71540), (245, 66284), (292, 55615), (365, 44492), (454, 35770), (490, 33142), (511, 31780), (730, 22246), (908, 17885), (980, 16571), (1022, 15890), (1135, 14308), (1460, 11123), (1589, 10220), (2044, 7945), (2270, 7154), (2555, 6356), (3178, 5110), (3577, 4540)]