320418560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3251}}^1$

素因数の和:3290

約数の個数: 144

約数和(自身を含む): 957180672

約数和(自身を除く): 636762112

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2464, 2816, 3080, 3251, 3520, 4480, 4928, 6160, 6502, 7040, 8960, 9856, 12320, 13004, 14080, 16255, 19712, 22757, 24640, 26008, 32510, 35761, 45514, 49280, 52016, 65020, 71522, 91028, 98560, 104032, 113785, 130040, 143044, 178805, 182056, 208064, 227570, 250327, 260080, 286088, 357610, 364112, 416128, 455140, 500654, 520160, 572176, 715220, 728224, 832256, 910280, 1001308, 1040320, 1144352, 1251635, 1430440, 1456448, 1820560, 2002616, 2080640, 2288704, 2503270, 2860880, 2912896, 3641120, 4005232, 4161280, 4577408, 5006540, 5721760, 5825792, 7282240, 8010464, 9154816, 10013080, 11443520, 14564480, 16020928, 20026160, 22887040, 29128960, 32041856, 40052320, 45774080, 64083712, 80104640, 160209280, 320418560]

約数ペア:

[(1, 320418560), (2, 160209280), (4, 80104640), (5, 64083712), (7, 45774080), (8, 40052320), (10, 32041856), (11, 29128960), (14, 22887040), (16, 20026160), (20, 16020928), (22, 14564480), (28, 11443520), (32, 10013080), (35, 9154816), (40, 8010464), (44, 7282240), (55, 5825792), (56, 5721760), (64, 5006540), (70, 4577408), (77, 4161280), (80, 4005232), (88, 3641120), (110, 2912896), (112, 2860880), (128, 2503270), (140, 2288704), (154, 2080640), (160, 2002616), (176, 1820560), (220, 1456448), (224, 1430440), (256, 1251635), (280, 1144352), (308, 1040320), (320, 1001308), (352, 910280), (385, 832256), (440, 728224), (448, 715220), (560, 572176), (616, 520160), (640, 500654), (704, 455140), (770, 416128), (880, 364112), (896, 357610), (1120, 286088), (1232, 260080), (1280, 250327), (1408, 227570), (1540, 208064), (1760, 182056), (1792, 178805), (2240, 143044), (2464, 130040), (2816, 113785), (3080, 104032), (3251, 98560), (3520, 91028), (4480, 71522), (4928, 65020), (6160, 52016), (6502, 49280), (7040, 45514), (8960, 35761), (9856, 32510), (12320, 26008), (13004, 24640), (14080, 22757), (16255, 19712)]