27045320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 62985600

約数和(自身を除く): 35940280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 107, 142, 178, 214, 284, 355, 356, 428, 445, 535, 568, 710, 712, 856, 890, 1070, 1420, 1780, 2140, 2840, 3560, 4280, 6319, 7597, 9523, 12638, 15194, 19046, 25276, 30388, 31595, 37985, 38092, 47615, 50552, 60776, 63190, 75970, 76184, 95230, 126380, 151940, 190460, 252760, 303880, 380920, 676133, 1352266, 2704532, 3380665, 5409064, 6761330, 13522660, 27045320]

約数ペア:

[(1, 27045320), (2, 13522660), (4, 6761330), (5, 5409064), (8, 3380665), (10, 2704532), (20, 1352266), (40, 676133), (71, 380920), (89, 303880), (107, 252760), (142, 190460), (178, 151940), (214, 126380), (284, 95230), (355, 76184), (356, 75970), (428, 63190), (445, 60776), (535, 50552), (568, 47615), (710, 38092), (712, 37985), (856, 31595), (890, 30388), (1070, 25276), (1420, 19046), (1780, 15194), (2140, 12638), (2840, 9523), (3560, 7597), (4280, 6319)]