64981280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4463}}^1$

素因数の和:4498

約数の個数: 96

約数和(自身を含む): 188987904

約数和(自身を除く): 124006624

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 4463, 7280, 8926, 14560, 17852, 22315, 31241, 35704, 44630, 58019, 62482, 71408, 89260, 116038, 124964, 142816, 156205, 178520, 232076, 249928, 290095, 312410, 357040, 406133, 464152, 499856, 580190, 624820, 714080, 812266, 928304, 999712, 1160380, 1249640, 1624532, 1856608, 2030665, 2320760, 2499280, 3249064, 4061330, 4641520, 4998560, 6498128, 8122660, 9283040, 12996256, 16245320, 32490640, 64981280]

約数ペア:

[(1, 64981280), (2, 32490640), (4, 16245320), (5, 12996256), (7, 9283040), (8, 8122660), (10, 6498128), (13, 4998560), (14, 4641520), (16, 4061330), (20, 3249064), (26, 2499280), (28, 2320760), (32, 2030665), (35, 1856608), (40, 1624532), (52, 1249640), (56, 1160380), (65, 999712), (70, 928304), (80, 812266), (91, 714080), (104, 624820), (112, 580190), (130, 499856), (140, 464152), (160, 406133), (182, 357040), (208, 312410), (224, 290095), (260, 249928), (280, 232076), (364, 178520), (416, 156205), (455, 142816), (520, 124964), (560, 116038), (728, 89260), (910, 71408), (1040, 62482), (1120, 58019), (1456, 44630), (1820, 35704), (2080, 31241), (2912, 22315), (3640, 17852), (4463, 14560), (7280, 8926)]