12919980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{617}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 36338400

約数和(自身を除く): 23418420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 617, 698, 1047, 1234, 1396, 1745, 1851, 2094, 2468, 3085, 3490, 3702, 4188, 5235, 6170, 6980, 7404, 9255, 10470, 12340, 18510, 20940, 37020, 215333, 430666, 645999, 861332, 1076665, 1291998, 2153330, 2583996, 3229995, 4306660, 6459990, 12919980]

約数ペア:

[(1, 12919980), (2, 6459990), (3, 4306660), (4, 3229995), (5, 2583996), (6, 2153330), (10, 1291998), (12, 1076665), (15, 861332), (20, 645999), (30, 430666), (60, 215333), (349, 37020), (617, 20940), (698, 18510), (1047, 12340), (1234, 10470), (1396, 9255), (1745, 7404), (1851, 6980), (2094, 6170), (2468, 5235), (3085, 4188), (3490, 3702)]