257245078920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{166657}}^1$

素因数の和:167367

約数の個数: 128

約数和(自身を含む): 813557692800

約数和(自身を除く): 556312613880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 677, 760, 1140, 1354, 2031, 2280, 2708, 3385, 4062, 5416, 6770, 8124, 10155, 12863, 13540, 16248, 20310, 25726, 27080, 38589, 40620, 51452, 64315, 77178, 81240, 102904, 128630, 154356, 166657, 192945, 257260, 308712, 333314, 385890, 499971, 514520, 666628, 771780, 833285, 999942, 1333256, 1543560, 1666570, 1999884, 2499855, 3166483, 3333140, 3999768, 4999710, 6332966, 6666280, 9499449, 9999420, 12665932, 15832415, 18998898, 19998840, 25331864, 31664830, 37997796, 47497245, 63329660, 75995592, 94994490, 112826789, 126659320, 189988980, 225653578, 338480367, 379977960, 451307156, 564133945, 676960734, 902614312, 1128267890, 1353921468, 1692401835, 2143708991, 2256535780, 2707842936, 3384803670, 4287417982, 4513071560, 6431126973, 6769607340, 8574835964, 10718544955, 12862253946, 13539214680, 17149671928, 21437089910, 25724507892, 32155634865, 42874179820, 51449015784, 64311269730, 85748359640, 128622539460, 257245078920]

約数ペア:

[(1, 257245078920), (2, 128622539460), (3, 85748359640), (4, 64311269730), (5, 51449015784), (6, 42874179820), (8, 32155634865), (10, 25724507892), (12, 21437089910), (15, 17149671928), (19, 13539214680), (20, 12862253946), (24, 10718544955), (30, 8574835964), (38, 6769607340), (40, 6431126973), (57, 4513071560), (60, 4287417982), (76, 3384803670), (95, 2707842936), (114, 2256535780), (120, 2143708991), (152, 1692401835), (190, 1353921468), (228, 1128267890), (285, 902614312), (380, 676960734), (456, 564133945), (570, 451307156), (677, 379977960), (760, 338480367), (1140, 225653578), (1354, 189988980), (2031, 126659320), (2280, 112826789), (2708, 94994490), (3385, 75995592), (4062, 63329660), (5416, 47497245), (6770, 37997796), (8124, 31664830), (10155, 25331864), (12863, 19998840), (13540, 18998898), (16248, 15832415), (20310, 12665932), (25726, 9999420), (27080, 9499449), (38589, 6666280), (40620, 6332966), (51452, 4999710), (64315, 3999768), (77178, 3333140), (81240, 3166483), (102904, 2499855), (128630, 1999884), (154356, 1666570), (166657, 1543560), (192945, 1333256), (257260, 999942), (308712, 833285), (333314, 771780), (385890, 666628), (499971, 514520)]