30700880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 82804224

約数和(自身を除く): 52103344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 751, 1022, 1168, 1460, 1502, 2044, 2555, 2920, 3004, 3755, 4088, 5110, 5257, 5840, 6008, 7510, 8176, 10220, 10514, 12016, 15020, 20440, 21028, 26285, 30040, 40880, 42056, 52570, 54823, 60080, 84112, 105140, 109646, 210280, 219292, 274115, 383761, 420560, 438584, 548230, 767522, 877168, 1096460, 1535044, 1918805, 2192920, 3070088, 3837610, 4385840, 6140176, 7675220, 15350440, 30700880]

約数ペア:

[(1, 30700880), (2, 15350440), (4, 7675220), (5, 6140176), (7, 4385840), (8, 3837610), (10, 3070088), (14, 2192920), (16, 1918805), (20, 1535044), (28, 1096460), (35, 877168), (40, 767522), (56, 548230), (70, 438584), (73, 420560), (80, 383761), (112, 274115), (140, 219292), (146, 210280), (280, 109646), (292, 105140), (365, 84112), (511, 60080), (560, 54823), (584, 52570), (730, 42056), (751, 40880), (1022, 30040), (1168, 26285), (1460, 21028), (1502, 20440), (2044, 15020), (2555, 12016), (2920, 10514), (3004, 10220), (3755, 8176), (4088, 7510), (5110, 6008), (5257, 5840)]