661319360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3697}}^1$

素因数の和:3770

約数の個数: 112

約数和(自身を含む): 1735811616

約数和(自身を除く): 1074492256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 320, 344, 416, 430, 520, 559, 688, 832, 860, 1040, 1118, 1376, 1720, 2080, 2236, 2752, 2795, 3440, 3697, 4160, 4472, 5590, 6880, 7394, 8944, 11180, 13760, 14788, 17888, 18485, 22360, 29576, 35776, 36970, 44720, 48061, 59152, 73940, 89440, 96122, 118304, 147880, 158971, 178880, 192244, 236608, 240305, 295760, 317942, 384488, 480610, 591520, 635884, 768976, 794855, 961220, 1183040, 1271768, 1537952, 1589710, 1922440, 2066623, 2543536, 3075904, 3179420, 3844880, 4133246, 5087072, 6358840, 7689760, 8266492, 10174144, 10333115, 12717680, 15379520, 16532984, 20666230, 25435360, 33065968, 41332460, 50870720, 66131936, 82664920, 132263872, 165329840, 330659680, 661319360]

約数ペア:

[(1, 661319360), (2, 330659680), (4, 165329840), (5, 132263872), (8, 82664920), (10, 66131936), (13, 50870720), (16, 41332460), (20, 33065968), (26, 25435360), (32, 20666230), (40, 16532984), (43, 15379520), (52, 12717680), (64, 10333115), (65, 10174144), (80, 8266492), (86, 7689760), (104, 6358840), (130, 5087072), (160, 4133246), (172, 3844880), (208, 3179420), (215, 3075904), (260, 2543536), (320, 2066623), (344, 1922440), (416, 1589710), (430, 1537952), (520, 1271768), (559, 1183040), (688, 961220), (832, 794855), (860, 768976), (1040, 635884), (1118, 591520), (1376, 480610), (1720, 384488), (2080, 317942), (2236, 295760), (2752, 240305), (2795, 236608), (3440, 192244), (3697, 178880), (4160, 158971), (4472, 147880), (5590, 118304), (6880, 96122), (7394, 89440), (8944, 73940), (11180, 59152), (13760, 48061), (14788, 44720), (17888, 36970), (18485, 35776), (22360, 29576)]