1811422760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20029}}^1$

素因数の和:20083

約数の個数: 128

約数和(自身を含む): 5191776000

約数和(自身を除く): 3380353240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1615, 2261, 2380, 2584, 2660, 3230, 4522, 4760, 5320, 6460, 9044, 11305, 12920, 18088, 20029, 22610, 40058, 45220, 80116, 90440, 100145, 140203, 160232, 200290, 280406, 340493, 380551, 400580, 560812, 680986, 701015, 761102, 801160, 1121624, 1361972, 1402030, 1522204, 1702465, 1902755, 2383451, 2663857, 2723944, 2804060, 3044408, 3404930, 3805510, 4766902, 5327714, 5608120, 6469367, 6809860, 7611020, 9533804, 10655428, 11917255, 12938734, 13319285, 13619720, 15222040, 19067608, 21310856, 23834510, 25877468, 26638570, 32346835, 45285569, 47669020, 51754936, 53277140, 64693670, 90571138, 95338040, 106554280, 129387340, 181142276, 226427845, 258774680, 362284552, 452855690, 905711380, 1811422760]

約数ペア:

[(1, 1811422760), (2, 905711380), (4, 452855690), (5, 362284552), (7, 258774680), (8, 226427845), (10, 181142276), (14, 129387340), (17, 106554280), (19, 95338040), (20, 90571138), (28, 64693670), (34, 53277140), (35, 51754936), (38, 47669020), (40, 45285569), (56, 32346835), (68, 26638570), (70, 25877468), (76, 23834510), (85, 21310856), (95, 19067608), (119, 15222040), (133, 13619720), (136, 13319285), (140, 12938734), (152, 11917255), (170, 10655428), (190, 9533804), (238, 7611020), (266, 6809860), (280, 6469367), (323, 5608120), (340, 5327714), (380, 4766902), (476, 3805510), (532, 3404930), (595, 3044408), (646, 2804060), (665, 2723944), (680, 2663857), (760, 2383451), (952, 1902755), (1064, 1702465), (1190, 1522204), (1292, 1402030), (1330, 1361972), (1615, 1121624), (2261, 801160), (2380, 761102), (2584, 701015), (2660, 680986), (3230, 560812), (4522, 400580), (4760, 380551), (5320, 340493), (6460, 280406), (9044, 200290), (11305, 160232), (12920, 140203), (18088, 100145), (20029, 90440), (22610, 80116), (40058, 45220)]