61417880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 146534400

約数和(自身を除く): 85116520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 383, 422, 760, 766, 844, 1055, 1532, 1688, 1915, 2110, 3064, 3830, 4009, 4220, 7277, 7660, 8018, 8440, 14554, 15320, 16036, 20045, 29108, 32072, 36385, 40090, 58216, 72770, 80180, 80813, 145540, 160360, 161626, 291080, 323252, 404065, 646504, 808130, 1535447, 1616260, 3070894, 3232520, 6141788, 7677235, 12283576, 15354470, 30708940, 61417880]

約数ペア:

[(1, 61417880), (2, 30708940), (4, 15354470), (5, 12283576), (8, 7677235), (10, 6141788), (19, 3232520), (20, 3070894), (38, 1616260), (40, 1535447), (76, 808130), (95, 646504), (152, 404065), (190, 323252), (211, 291080), (380, 161626), (383, 160360), (422, 145540), (760, 80813), (766, 80180), (844, 72770), (1055, 58216), (1532, 40090), (1688, 36385), (1915, 32072), (2110, 29108), (3064, 20045), (3830, 16036), (4009, 15320), (4220, 14554), (7277, 8440), (7660, 8018)]