16488180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 33962220

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, 659, 695, 834, 1251, 1318, 1390, 1668, 1977, 2085, 2502, 2636, 2780, 3295, 3954, 4170, 5004, 5931, 6255, 6590, 7908, 8340, 9885, 11862, 12510, 13180, 19770, 23724, 25020, 29655, 39540, 59310, 91601, 118620, 183202, 274803, 366404, 458005, 549606, 824409, 916010, 1099212, 1374015, 1648818, 1832020, 2748030, 3297636, 4122045, 5496060, 8244090, 16488180]

約数ペア:

[(1, 16488180), (2, 8244090), (3, 5496060), (4, 4122045), (5, 3297636), (6, 2748030), (9, 1832020), (10, 1648818), (12, 1374015), (15, 1099212), (18, 916010), (20, 824409), (30, 549606), (36, 458005), (45, 366404), (60, 274803), (90, 183202), (139, 118620), (180, 91601), (278, 59310), (417, 39540), (556, 29655), (659, 25020), (695, 23724), (834, 19770), (1251, 13180), (1318, 12510), (1390, 11862), (1668, 9885), (1977, 8340), (2085, 7908), (2502, 6590), (2636, 6255), (2780, 5931), (3295, 5004), (3954, 4170)]