30869720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2689}}^1$

素因数の和:2748

約数の個数: 64

約数和(自身を含む): 81345600

約数和(自身を除く): 50475880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2689, 2870, 5378, 5740, 10756, 11480, 13445, 18823, 21512, 26890, 37646, 53780, 75292, 94115, 107560, 110249, 150584, 188230, 220498, 376460, 440996, 551245, 752920, 771743, 881992, 1102490, 1543486, 2204980, 3086972, 3858715, 4409960, 6173944, 7717430, 15434860, 30869720]

約数ペア:

[(1, 30869720), (2, 15434860), (4, 7717430), (5, 6173944), (7, 4409960), (8, 3858715), (10, 3086972), (14, 2204980), (20, 1543486), (28, 1102490), (35, 881992), (40, 771743), (41, 752920), (56, 551245), (70, 440996), (82, 376460), (140, 220498), (164, 188230), (205, 150584), (280, 110249), (287, 107560), (328, 94115), (410, 75292), (574, 53780), (820, 37646), (1148, 26890), (1435, 21512), (1640, 18823), (2296, 13445), (2689, 11480), (2870, 10756), (5378, 5740)]