80104640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3251}}^1$

素因数の和:3286

約数の個数: 112

約数和(自身を含む): 237890304

約数和(自身を除く): 157785664

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, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3251, 3520, 4928, 6160, 6502, 12320, 13004, 16255, 22757, 24640, 26008, 32510, 35761, 45514, 52016, 65020, 71522, 91028, 104032, 113785, 130040, 143044, 178805, 182056, 208064, 227570, 250327, 260080, 286088, 357610, 364112, 455140, 500654, 520160, 572176, 715220, 728224, 910280, 1001308, 1040320, 1144352, 1251635, 1430440, 1456448, 1820560, 2002616, 2288704, 2503270, 2860880, 3641120, 4005232, 5006540, 5721760, 7282240, 8010464, 10013080, 11443520, 16020928, 20026160, 40052320, 80104640]

約数ペア:

[(1, 80104640), (2, 40052320), (4, 20026160), (5, 16020928), (7, 11443520), (8, 10013080), (10, 8010464), (11, 7282240), (14, 5721760), (16, 5006540), (20, 4005232), (22, 3641120), (28, 2860880), (32, 2503270), (35, 2288704), (40, 2002616), (44, 1820560), (55, 1456448), (56, 1430440), (64, 1251635), (70, 1144352), (77, 1040320), (80, 1001308), (88, 910280), (110, 728224), (112, 715220), (140, 572176), (154, 520160), (160, 500654), (176, 455140), (220, 364112), (224, 357610), (280, 286088), (308, 260080), (320, 250327), (352, 227570), (385, 208064), (440, 182056), (448, 178805), (560, 143044), (616, 130040), (704, 113785), (770, 104032), (880, 91028), (1120, 71522), (1232, 65020), (1540, 52016), (1760, 45514), (2240, 35761), (2464, 32510), (3080, 26008), (3251, 24640), (3520, 22757), (4928, 16255), (6160, 13004), (6502, 12320)]