320120320

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9619}}^1$

素因数の和:9655

約数の個数: 80

約数和(自身を含む): 826665840

約数和(自身を除く): 506545520

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, 3328, 4160, 6656, 8320, 9619, 16640, 19238, 33280, 38476, 48095, 76952, 96190, 125047, 153904, 192380, 250094, 307808, 384760, 500188, 615616, 625235, 769520, 1000376, 1231232, 1250470, 1539040, 2000752, 2462464, 2500940, 3078080, 4001504, 4924928, 5001880, 6156160, 8003008, 10003760, 12312320, 16006016, 20007520, 24624640, 32012032, 40015040, 64024064, 80030080, 160060160, 320120320]

約数ペア:

[(1, 320120320), (2, 160060160), (4, 80030080), (5, 64024064), (8, 40015040), (10, 32012032), (13, 24624640), (16, 20007520), (20, 16006016), (26, 12312320), (32, 10003760), (40, 8003008), (52, 6156160), (64, 5001880), (65, 4924928), (80, 4001504), (104, 3078080), (128, 2500940), (130, 2462464), (160, 2000752), (208, 1539040), (256, 1250470), (260, 1231232), (320, 1000376), (416, 769520), (512, 625235), (520, 615616), (640, 500188), (832, 384760), (1040, 307808), (1280, 250094), (1664, 192380), (2080, 153904), (2560, 125047), (3328, 96190), (4160, 76952), (6656, 48095), (8320, 38476), (9619, 33280), (16640, 19238)]