2176881780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{261017}}^1$

素因数の和:261168

約数の個数: 48

約数和(自身を含む): 6139143360

約数和(自身を除く): 3962261580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 261017, 522034, 783051, 1044068, 1305085, 1566102, 2610170, 3132204, 3915255, 5220340, 7830510, 15661020, 36281363, 72562726, 108844089, 145125452, 181406815, 217688178, 362813630, 435376356, 544220445, 725627260, 1088440890, 2176881780]

約数ペア:

[(1, 2176881780), (2, 1088440890), (3, 725627260), (4, 544220445), (5, 435376356), (6, 362813630), (10, 217688178), (12, 181406815), (15, 145125452), (20, 108844089), (30, 72562726), (60, 36281363), (139, 15661020), (278, 7830510), (417, 5220340), (556, 3915255), (695, 3132204), (834, 2610170), (1390, 1566102), (1668, 1305085), (2085, 1044068), (2780, 783051), (4170, 522034), (8340, 261017)]