15207918820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2354167}}^1$

素因数の和:2354212

約数の個数: 48

約数和(自身を含む): 35595020160

約数和(自身を除く): 20387101340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 2354167, 4708334, 9416668, 11770835, 23541670, 40020839, 44729173, 47083340, 80041678, 89458346, 160083356, 178916692, 200104195, 223645865, 400208390, 447291730, 760395941, 800416780, 894583460, 1520791882, 3041583764, 3801979705, 7603959410, 15207918820]

約数ペア:

[(1, 15207918820), (2, 7603959410), (4, 3801979705), (5, 3041583764), (10, 1520791882), (17, 894583460), (19, 800416780), (20, 760395941), (34, 447291730), (38, 400208390), (68, 223645865), (76, 200104195), (85, 178916692), (95, 160083356), (170, 89458346), (190, 80041678), (323, 47083340), (340, 44729173), (380, 40020839), (646, 23541670), (1292, 11770835), (1615, 9416668), (3230, 4708334), (6460, 2354167)]