789801080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{2423}}^1$

素因数の和:2744

約数の個数: 64

約数和(自身を含む): 1845633600

約数和(自身を除く): 1055832520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 281, 290, 562, 580, 1124, 1160, 1405, 2248, 2423, 2810, 4846, 5620, 8149, 9692, 11240, 12115, 16298, 19384, 24230, 32596, 40745, 48460, 65192, 70267, 81490, 96920, 140534, 162980, 281068, 325960, 351335, 562136, 680863, 702670, 1361726, 1405340, 2723452, 2810680, 3404315, 5446904, 6808630, 13617260, 19745027, 27234520, 39490054, 78980108, 98725135, 157960216, 197450270, 394900540, 789801080]

約数ペア:

[(1, 789801080), (2, 394900540), (4, 197450270), (5, 157960216), (8, 98725135), (10, 78980108), (20, 39490054), (29, 27234520), (40, 19745027), (58, 13617260), (116, 6808630), (145, 5446904), (232, 3404315), (281, 2810680), (290, 2723452), (562, 1405340), (580, 1361726), (1124, 702670), (1160, 680863), (1405, 562136), (2248, 351335), (2423, 325960), (2810, 281068), (4846, 162980), (5620, 140534), (8149, 96920), (9692, 81490), (11240, 70267), (12115, 65192), (16298, 48460), (19384, 40745), (24230, 32596)]