27807160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 64735200

約数和(自身を除く): 36928040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 89, 107, 146, 178, 214, 292, 356, 365, 428, 445, 535, 584, 712, 730, 856, 890, 1070, 1460, 1780, 2140, 2920, 3560, 4280, 6497, 7811, 9523, 12994, 15622, 19046, 25988, 31244, 32485, 38092, 39055, 47615, 51976, 62488, 64970, 76184, 78110, 95230, 129940, 156220, 190460, 259880, 312440, 380920, 695179, 1390358, 2780716, 3475895, 5561432, 6951790, 13903580, 27807160]

約数ペア:

[(1, 27807160), (2, 13903580), (4, 6951790), (5, 5561432), (8, 3475895), (10, 2780716), (20, 1390358), (40, 695179), (73, 380920), (89, 312440), (107, 259880), (146, 190460), (178, 156220), (214, 129940), (292, 95230), (356, 78110), (365, 76184), (428, 64970), (445, 62488), (535, 51976), (584, 47615), (712, 39055), (730, 38092), (856, 32485), (890, 31244), (1070, 25988), (1460, 19046), (1780, 15622), (2140, 12994), (2920, 9523), (3560, 7811), (4280, 6497)]