30761840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22619}}^1$

素因数の和:22649

約数の個数: 40

約数和(自身を含む): 75731760

約数和(自身を除く): 44969920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22619, 45238, 90476, 113095, 180952, 226190, 361904, 384523, 452380, 769046, 904760, 1538092, 1809520, 1922615, 3076184, 3845230, 6152368, 7690460, 15380920, 30761840]

約数ペア:

[(1, 30761840), (2, 15380920), (4, 7690460), (5, 6152368), (8, 3845230), (10, 3076184), (16, 1922615), (17, 1809520), (20, 1538092), (34, 904760), (40, 769046), (68, 452380), (80, 384523), (85, 361904), (136, 226190), (170, 180952), (272, 113095), (340, 90476), (680, 45238), (1360, 22619)]