30638475

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{397}}^1$

素因数の和:434

約数の個数: 72

約数和(自身を含む): 64157600

約数和(自身を除く): 33519125

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 343, 397, 441, 525, 735, 1029, 1191, 1225, 1575, 1715, 1985, 2205, 2779, 3087, 3573, 3675, 5145, 5955, 8337, 8575, 9925, 11025, 13895, 15435, 17865, 19453, 25011, 25725, 29775, 41685, 58359, 69475, 77175, 89325, 97265, 125055, 136171, 175077, 208425, 291795, 408513, 486325, 625275, 680855, 875385, 1225539, 1458975, 2042565, 3404275, 4376925, 6127695, 10212825, 30638475]

約数ペア:

[(1, 30638475), (3, 10212825), (5, 6127695), (7, 4376925), (9, 3404275), (15, 2042565), (21, 1458975), (25, 1225539), (35, 875385), (45, 680855), (49, 625275), (63, 486325), (75, 408513), (105, 291795), (147, 208425), (175, 175077), (225, 136171), (245, 125055), (315, 97265), (343, 89325), (397, 77175), (441, 69475), (525, 58359), (735, 41685), (1029, 29775), (1191, 25725), (1225, 25011), (1575, 19453), (1715, 17865), (1985, 15435), (2205, 13895), (2779, 11025), (3087, 9925), (3573, 8575), (3675, 8337), (5145, 5955)]