201211520

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16547}}^1$

素因数の和:16585

約数の個数: 64

約数和(自身を含む): 506368800

約数和(自身を除く): 305157280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 16547, 33094, 66188, 82735, 132376, 165470, 264752, 314393, 330940, 529504, 628786, 661880, 1059008, 1257572, 1323760, 1571965, 2118016, 2515144, 2647520, 3143930, 5030288, 5295040, 6287860, 10060576, 10590080, 12575720, 20121152, 25151440, 40242304, 50302880, 100605760, 201211520]

約数ペア:

[(1, 201211520), (2, 100605760), (4, 50302880), (5, 40242304), (8, 25151440), (10, 20121152), (16, 12575720), (19, 10590080), (20, 10060576), (32, 6287860), (38, 5295040), (40, 5030288), (64, 3143930), (76, 2647520), (80, 2515144), (95, 2118016), (128, 1571965), (152, 1323760), (160, 1257572), (190, 1059008), (304, 661880), (320, 628786), (380, 529504), (608, 330940), (640, 314393), (760, 264752), (1216, 165470), (1520, 132376), (2432, 82735), (3040, 66188), (6080, 33094), (12160, 16547)]