259773840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{857}}^1$

素因数の和:1297

約数の個数: 120

約数和(自身を含む): 875499768

約数和(自身を除く): 615725928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 421, 720, 842, 857, 1263, 1684, 1714, 2105, 2526, 2571, 3368, 3428, 3789, 4210, 4285, 5052, 5142, 6315, 6736, 6856, 7578, 7713, 8420, 8570, 10104, 10284, 12630, 12855, 13712, 15156, 15426, 16840, 17140, 18945, 20208, 20568, 25260, 25710, 30312, 30852, 33680, 34280, 37890, 38565, 41136, 50520, 51420, 60624, 61704, 68560, 75780, 77130, 101040, 102840, 123408, 151560, 154260, 205680, 303120, 308520, 360797, 617040, 721594, 1082391, 1443188, 1803985, 2164782, 2886376, 3247173, 3607970, 4329564, 5411955, 5772752, 6494346, 7215940, 8659128, 10823910, 12988692, 14431880, 16235865, 17318256, 21647820, 25977384, 28863760, 32471730, 43295640, 51954768, 64943460, 86591280, 129886920, 259773840]

約数ペア:

[(1, 259773840), (2, 129886920), (3, 86591280), (4, 64943460), (5, 51954768), (6, 43295640), (8, 32471730), (9, 28863760), (10, 25977384), (12, 21647820), (15, 17318256), (16, 16235865), (18, 14431880), (20, 12988692), (24, 10823910), (30, 8659128), (36, 7215940), (40, 6494346), (45, 5772752), (48, 5411955), (60, 4329564), (72, 3607970), (80, 3247173), (90, 2886376), (120, 2164782), (144, 1803985), (180, 1443188), (240, 1082391), (360, 721594), (421, 617040), (720, 360797), (842, 308520), (857, 303120), (1263, 205680), (1684, 154260), (1714, 151560), (2105, 123408), (2526, 102840), (2571, 101040), (3368, 77130), (3428, 75780), (3789, 68560), (4210, 61704), (4285, 60624), (5052, 51420), (5142, 50520), (6315, 41136), (6736, 38565), (6856, 37890), (7578, 34280), (7713, 33680), (8420, 30852), (8570, 30312), (10104, 25710), (10284, 25260), (12630, 20568), (12855, 20208), (13712, 18945), (15156, 17140), (15426, 16840)]