256758120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7669}}^1$

素因数の和:7720

約数の個数: 128

約数和(自身を含む): 883584000

約数和(自身を除く): 626825880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 7669, 8370, 11160, 15338, 16740, 23007, 30676, 33480, 38345, 46014, 61352, 69021, 76690, 92028, 115035, 138042, 153380, 184056, 207063, 230070, 237739, 276084, 306760, 345105, 414126, 460140, 475478, 552168, 690210, 713217, 828252, 920280, 950956, 1035315, 1188695, 1380420, 1426434, 1656504, 1901912, 2070630, 2139651, 2377390, 2760840, 2852868, 3566085, 4141260, 4279302, 4754780, 5705736, 6418953, 7132170, 8282520, 8558604, 9509560, 10698255, 12837906, 14264340, 17117208, 21396510, 25675812, 28528680, 32094765, 42793020, 51351624, 64189530, 85586040, 128379060, 256758120]

約数ペア:

[(1, 256758120), (2, 128379060), (3, 85586040), (4, 64189530), (5, 51351624), (6, 42793020), (8, 32094765), (9, 28528680), (10, 25675812), (12, 21396510), (15, 17117208), (18, 14264340), (20, 12837906), (24, 10698255), (27, 9509560), (30, 8558604), (31, 8282520), (36, 7132170), (40, 6418953), (45, 5705736), (54, 4754780), (60, 4279302), (62, 4141260), (72, 3566085), (90, 2852868), (93, 2760840), (108, 2377390), (120, 2139651), (124, 2070630), (135, 1901912), (155, 1656504), (180, 1426434), (186, 1380420), (216, 1188695), (248, 1035315), (270, 950956), (279, 920280), (310, 828252), (360, 713217), (372, 690210), (465, 552168), (540, 475478), (558, 460140), (620, 414126), (744, 345105), (837, 306760), (930, 276084), (1080, 237739), (1116, 230070), (1240, 207063), (1395, 184056), (1674, 153380), (1860, 138042), (2232, 115035), (2790, 92028), (3348, 76690), (3720, 69021), (4185, 61352), (5580, 46014), (6696, 38345), (7669, 33480), (8370, 30676), (11160, 23007), (15338, 16740)]