181319940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7247}}^1$

素因数の和:7401

約数の個数: 72

約数和(自身を含む): 554037120

約数和(自身を除く): 372717180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 7247, 8340, 12510, 14494, 21741, 25020, 28988, 36235, 43482, 65223, 72470, 86964, 108705, 130446, 144940, 217410, 260892, 326115, 434820, 652230, 1007333, 1304460, 2014666, 3021999, 4029332, 5036665, 6043998, 9065997, 10073330, 12087996, 15109995, 18131994, 20146660, 30219990, 36263988, 45329985, 60439980, 90659970, 181319940]

約数ペア:

[(1, 181319940), (2, 90659970), (3, 60439980), (4, 45329985), (5, 36263988), (6, 30219990), (9, 20146660), (10, 18131994), (12, 15109995), (15, 12087996), (18, 10073330), (20, 9065997), (30, 6043998), (36, 5036665), (45, 4029332), (60, 3021999), (90, 2014666), (139, 1304460), (180, 1007333), (278, 652230), (417, 434820), (556, 326115), (695, 260892), (834, 217410), (1251, 144940), (1390, 130446), (1668, 108705), (2085, 86964), (2502, 72470), (2780, 65223), (4170, 43482), (5004, 36235), (6255, 28988), (7247, 25020), (8340, 21741), (12510, 14494)]