305392920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{363563}}^1$

素因数の和:363584

約数の個数: 64

約数和(自身を含む): 1047064320

約数和(自身を除く): 741671400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 363563, 727126, 1090689, 1454252, 1817815, 2181378, 2544941, 2908504, 3635630, 4362756, 5089882, 5453445, 7271260, 7634823, 8725512, 10179764, 10906890, 12724705, 14542520, 15269646, 20359528, 21813780, 25449410, 30539292, 38174115, 43627560, 50898820, 61078584, 76348230, 101797640, 152696460, 305392920]

約数ペア:

[(1, 305392920), (2, 152696460), (3, 101797640), (4, 76348230), (5, 61078584), (6, 50898820), (7, 43627560), (8, 38174115), (10, 30539292), (12, 25449410), (14, 21813780), (15, 20359528), (20, 15269646), (21, 14542520), (24, 12724705), (28, 10906890), (30, 10179764), (35, 8725512), (40, 7634823), (42, 7271260), (56, 5453445), (60, 5089882), (70, 4362756), (84, 3635630), (105, 2908504), (120, 2544941), (140, 2181378), (168, 1817815), (210, 1454252), (280, 1090689), (420, 727126), (840, 363563)]