265280340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{340103}}^1$

素因数の和:340128

約数の個数: 48

約数和(自身を含む): 799924608

約数和(自身を除く): 534644268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 340103, 680206, 1020309, 1360412, 1700515, 2040618, 3401030, 4081236, 4421339, 5101545, 6802060, 8842678, 10203090, 13264017, 17685356, 20406180, 22106695, 26528034, 44213390, 53056068, 66320085, 88426780, 132640170, 265280340]

約数ペア:

[(1, 265280340), (2, 132640170), (3, 88426780), (4, 66320085), (5, 53056068), (6, 44213390), (10, 26528034), (12, 22106695), (13, 20406180), (15, 17685356), (20, 13264017), (26, 10203090), (30, 8842678), (39, 6802060), (52, 5101545), (60, 4421339), (65, 4081236), (78, 3401030), (130, 2040618), (156, 1700515), (195, 1360412), (260, 1020309), (390, 680206), (780, 340103)]