28275420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1507

約数の個数: 96

約数和(自身を含む): 88300800

約数和(自身を除く): 60025380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1459, 1615, 1938, 2918, 3230, 3876, 4377, 4845, 5836, 6460, 7295, 8754, 9690, 14590, 17508, 19380, 21885, 24803, 27721, 29180, 43770, 49606, 55442, 74409, 83163, 87540, 99212, 110884, 124015, 138605, 148818, 166326, 248030, 277210, 297636, 332652, 372045, 415815, 471257, 496060, 554420, 744090, 831630, 942514, 1413771, 1488180, 1663260, 1885028, 2356285, 2827542, 4712570, 5655084, 7068855, 9425140, 14137710, 28275420]

約数ペア:

[(1, 28275420), (2, 14137710), (3, 9425140), (4, 7068855), (5, 5655084), (6, 4712570), (10, 2827542), (12, 2356285), (15, 1885028), (17, 1663260), (19, 1488180), (20, 1413771), (30, 942514), (34, 831630), (38, 744090), (51, 554420), (57, 496060), (60, 471257), (68, 415815), (76, 372045), (85, 332652), (95, 297636), (102, 277210), (114, 248030), (170, 166326), (190, 148818), (204, 138605), (228, 124015), (255, 110884), (285, 99212), (323, 87540), (340, 83163), (380, 74409), (510, 55442), (570, 49606), (646, 43770), (969, 29180), (1020, 27721), (1140, 24803), (1292, 21885), (1459, 19380), (1615, 17508), (1938, 14590), (2918, 9690), (3230, 8754), (3876, 7295), (4377, 6460), (4845, 5836)]