1620991040

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{33547}}^1$

素因数の和:33715

約数の個数: 56

約数和(自身を含む): 3885663552

約数和(自身を除く): 2264672512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 755, 1208, 1510, 2416, 3020, 4832, 6040, 9664, 12080, 24160, 33547, 48320, 67094, 134188, 167735, 268376, 335470, 536752, 670940, 1073504, 1341880, 2147008, 2683760, 5065597, 5367520, 10131194, 10735040, 20262388, 25327985, 40524776, 50655970, 81049552, 101311940, 162099104, 202623880, 324198208, 405247760, 810495520, 1620991040]

約数ペア:

[(1, 1620991040), (2, 810495520), (4, 405247760), (5, 324198208), (8, 202623880), (10, 162099104), (16, 101311940), (20, 81049552), (32, 50655970), (40, 40524776), (64, 25327985), (80, 20262388), (151, 10735040), (160, 10131194), (302, 5367520), (320, 5065597), (604, 2683760), (755, 2147008), (1208, 1341880), (1510, 1073504), (2416, 670940), (3020, 536752), (4832, 335470), (6040, 268376), (9664, 167735), (12080, 134188), (24160, 67094), (33547, 48320)]