261321360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1088839}}^1$

素因数の和:1088855

約数の個数: 40

約数和(自身を含む): 810096960

約数和(自身を除く): 548775600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1088839, 2177678, 3266517, 4355356, 5444195, 6533034, 8710712, 10888390, 13066068, 16332585, 17421424, 21776780, 26132136, 32665170, 43553560, 52264272, 65330340, 87107120, 130660680, 261321360]

約数ペア:

[(1, 261321360), (2, 130660680), (3, 87107120), (4, 65330340), (5, 52264272), (6, 43553560), (8, 32665170), (10, 26132136), (12, 21776780), (15, 17421424), (16, 16332585), (20, 13066068), (24, 10888390), (30, 8710712), (40, 6533034), (48, 5444195), (60, 4355356), (80, 3266517), (120, 2177678), (240, 1088839)]