12961980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 39744432

約数和(自身を除く): 26782452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 673, 963, 1070, 1284, 1346, 1605, 1926, 2019, 2140, 2692, 3210, 3365, 3852, 4038, 4815, 6057, 6420, 6730, 8076, 9630, 10095, 12114, 13460, 19260, 20190, 24228, 30285, 40380, 60570, 72011, 121140, 144022, 216033, 288044, 360055, 432066, 648099, 720110, 864132, 1080165, 1296198, 1440220, 2160330, 2592396, 3240495, 4320660, 6480990, 12961980]

約数ペア:

[(1, 12961980), (2, 6480990), (3, 4320660), (4, 3240495), (5, 2592396), (6, 2160330), (9, 1440220), (10, 1296198), (12, 1080165), (15, 864132), (18, 720110), (20, 648099), (30, 432066), (36, 360055), (45, 288044), (60, 216033), (90, 144022), (107, 121140), (180, 72011), (214, 60570), (321, 40380), (428, 30285), (535, 24228), (642, 20190), (673, 19260), (963, 13460), (1070, 12114), (1284, 10095), (1346, 9630), (1605, 8076), (1926, 6730), (2019, 6420), (2140, 6057), (2692, 4815), (3210, 4038), (3365, 3852)]