256707900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3067}}^1$

素因数の和:3121

約数の個数: 144

約数和(自身を含む): 852167680

約数和(自身を除く): 595459780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 90, 93, 100, 108, 124, 135, 150, 155, 180, 186, 225, 270, 279, 300, 310, 372, 450, 465, 540, 558, 620, 675, 775, 837, 900, 930, 1116, 1350, 1395, 1550, 1674, 1860, 2325, 2700, 2790, 3067, 3100, 3348, 4185, 4650, 5580, 6134, 6975, 8370, 9201, 9300, 12268, 13950, 15335, 16740, 18402, 20925, 27603, 27900, 30670, 36804, 41850, 46005, 55206, 61340, 76675, 82809, 83700, 92010, 95077, 110412, 138015, 153350, 165618, 184020, 190154, 230025, 276030, 285231, 306700, 331236, 380308, 414045, 460050, 475385, 552060, 570462, 690075, 828090, 855693, 920100, 950770, 1140924, 1380150, 1426155, 1656180, 1711386, 1901540, 2070225, 2376925, 2567079, 2760300, 2852310, 3422772, 4140450, 4278465, 4753850, 5134158, 5704620, 7130775, 8280900, 8556930, 9507700, 10268316, 12835395, 14261550, 17113860, 21392325, 25670790, 28523100, 42784650, 51341580, 64176975, 85569300, 128353950, 256707900]

約数ペア:

[(1, 256707900), (2, 128353950), (3, 85569300), (4, 64176975), (5, 51341580), (6, 42784650), (9, 28523100), (10, 25670790), (12, 21392325), (15, 17113860), (18, 14261550), (20, 12835395), (25, 10268316), (27, 9507700), (30, 8556930), (31, 8280900), (36, 7130775), (45, 5704620), (50, 5134158), (54, 4753850), (60, 4278465), (62, 4140450), (75, 3422772), (90, 2852310), (93, 2760300), (100, 2567079), (108, 2376925), (124, 2070225), (135, 1901540), (150, 1711386), (155, 1656180), (180, 1426155), (186, 1380150), (225, 1140924), (270, 950770), (279, 920100), (300, 855693), (310, 828090), (372, 690075), (450, 570462), (465, 552060), (540, 475385), (558, 460050), (620, 414045), (675, 380308), (775, 331236), (837, 306700), (900, 285231), (930, 276030), (1116, 230025), (1350, 190154), (1395, 184020), (1550, 165618), (1674, 153350), (1860, 138015), (2325, 110412), (2700, 95077), (2790, 92010), (3067, 83700), (3100, 82809), (3348, 76675), (4185, 61340), (4650, 55206), (5580, 46005), (6134, 41850), (6975, 36804), (8370, 30670), (9201, 27900), (9300, 27603), (12268, 20925), (13950, 18402), (15335, 16740)]