90488320

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2719}}^1$

素因数の和:2755

約数の個数: 80

約数和(自身を含む): 233735040

約数和(自身を除く): 143246720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 2719, 3328, 4160, 5438, 6656, 8320, 10876, 13595, 16640, 21752, 27190, 33280, 35347, 43504, 54380, 70694, 87008, 108760, 141388, 174016, 176735, 217520, 282776, 348032, 353470, 435040, 565552, 696064, 706940, 870080, 1131104, 1392128, 1413880, 1740160, 2262208, 2827760, 3480320, 4524416, 5655520, 6960640, 9048832, 11311040, 18097664, 22622080, 45244160, 90488320]

約数ペア:

[(1, 90488320), (2, 45244160), (4, 22622080), (5, 18097664), (8, 11311040), (10, 9048832), (13, 6960640), (16, 5655520), (20, 4524416), (26, 3480320), (32, 2827760), (40, 2262208), (52, 1740160), (64, 1413880), (65, 1392128), (80, 1131104), (104, 870080), (128, 706940), (130, 696064), (160, 565552), (208, 435040), (256, 353470), (260, 348032), (320, 282776), (416, 217520), (512, 176735), (520, 174016), (640, 141388), (832, 108760), (1040, 87008), (1280, 70694), (1664, 54380), (2080, 43504), (2560, 35347), (2719, 33280), (3328, 27190), (4160, 21752), (5438, 16640), (6656, 13595), (8320, 10876)]