30870440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 43001560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 151, 152, 190, 269, 302, 380, 538, 604, 755, 760, 1076, 1208, 1345, 1510, 2152, 2690, 2869, 3020, 5111, 5380, 5738, 6040, 10222, 10760, 11476, 14345, 20444, 22952, 25555, 28690, 40619, 40888, 51110, 57380, 81238, 102220, 114760, 162476, 203095, 204440, 324952, 406190, 771761, 812380, 1543522, 1624760, 3087044, 3858805, 6174088, 7717610, 15435220, 30870440]

約数ペア:

[(1, 30870440), (2, 15435220), (4, 7717610), (5, 6174088), (8, 3858805), (10, 3087044), (19, 1624760), (20, 1543522), (38, 812380), (40, 771761), (76, 406190), (95, 324952), (151, 204440), (152, 203095), (190, 162476), (269, 114760), (302, 102220), (380, 81238), (538, 57380), (604, 51110), (755, 40888), (760, 40619), (1076, 28690), (1208, 25555), (1345, 22952), (1510, 20444), (2152, 14345), (2690, 11476), (2869, 10760), (3020, 10222), (5111, 6040), (5380, 5738)]