19791480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 40083720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1259, 1310, 1572, 1965, 2518, 2620, 3144, 3777, 3930, 5036, 5240, 6295, 7554, 7860, 10072, 12590, 15108, 15720, 18885, 25180, 30216, 37770, 50360, 75540, 151080, 164929, 329858, 494787, 659716, 824645, 989574, 1319432, 1649290, 1979148, 2473935, 3298580, 3958296, 4947870, 6597160, 9895740, 19791480]

約数ペア:

[(1, 19791480), (2, 9895740), (3, 6597160), (4, 4947870), (5, 3958296), (6, 3298580), (8, 2473935), (10, 1979148), (12, 1649290), (15, 1319432), (20, 989574), (24, 824645), (30, 659716), (40, 494787), (60, 329858), (120, 164929), (131, 151080), (262, 75540), (393, 50360), (524, 37770), (655, 30216), (786, 25180), (1048, 18885), (1259, 15720), (1310, 15108), (1572, 12590), (1965, 10072), (2518, 7860), (2620, 7554), (3144, 6295), (3777, 5240), (3930, 5036)]