128587500

素因数分解:

$2^2\times 3^4\times 5^5\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 180

約数和(自身を含む): 423472896

約数和(自身を除く): 294885396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 127, 135, 150, 162, 180, 225, 250, 254, 270, 300, 324, 375, 381, 405, 450, 500, 508, 540, 625, 635, 675, 750, 762, 810, 900, 1125, 1143, 1250, 1270, 1350, 1500, 1524, 1620, 1875, 1905, 2025, 2250, 2286, 2500, 2540, 2700, 3125, 3175, 3375, 3429, 3750, 3810, 4050, 4500, 4572, 5625, 5715, 6250, 6350, 6750, 6858, 7500, 7620, 8100, 9375, 9525, 10125, 10287, 11250, 11430, 12500, 12700, 13500, 13716, 15875, 16875, 17145, 18750, 19050, 20250, 20574, 22500, 22860, 28125, 28575, 31750, 33750, 34290, 37500, 38100, 40500, 41148, 47625, 50625, 51435, 56250, 57150, 63500, 67500, 68580, 79375, 84375, 85725, 95250, 101250, 102870, 112500, 114300, 142875, 158750, 168750, 171450, 190500, 202500, 205740, 238125, 253125, 257175, 285750, 317500, 337500, 342900, 396875, 428625, 476250, 506250, 514350, 571500, 714375, 793750, 857250, 952500, 1012500, 1028700, 1190625, 1285875, 1428750, 1587500, 1714500, 2143125, 2381250, 2571750, 2857500, 3571875, 4286250, 4762500, 5143500, 6429375, 7143750, 8572500, 10715625, 12858750, 14287500, 21431250, 25717500, 32146875, 42862500, 64293750, 128587500]

約数ペア:

[(1, 128587500), (2, 64293750), (3, 42862500), (4, 32146875), (5, 25717500), (6, 21431250), (9, 14287500), (10, 12858750), (12, 10715625), (15, 8572500), (18, 7143750), (20, 6429375), (25, 5143500), (27, 4762500), (30, 4286250), (36, 3571875), (45, 2857500), (50, 2571750), (54, 2381250), (60, 2143125), (75, 1714500), (81, 1587500), (90, 1428750), (100, 1285875), (108, 1190625), (125, 1028700), (127, 1012500), (135, 952500), (150, 857250), (162, 793750), (180, 714375), (225, 571500), (250, 514350), (254, 506250), (270, 476250), (300, 428625), (324, 396875), (375, 342900), (381, 337500), (405, 317500), (450, 285750), (500, 257175), (508, 253125), (540, 238125), (625, 205740), (635, 202500), (675, 190500), (750, 171450), (762, 168750), (810, 158750), (900, 142875), (1125, 114300), (1143, 112500), (1250, 102870), (1270, 101250), (1350, 95250), (1500, 85725), (1524, 84375), (1620, 79375), (1875, 68580), (1905, 67500), (2025, 63500), (2250, 57150), (2286, 56250), (2500, 51435), (2540, 50625), (2700, 47625), (3125, 41148), (3175, 40500), (3375, 38100), (3429, 37500), (3750, 34290), (3810, 33750), (4050, 31750), (4500, 28575), (4572, 28125), (5625, 22860), (5715, 22500), (6250, 20574), (6350, 20250), (6750, 19050), (6858, 18750), (7500, 17145), (7620, 16875), (8100, 15875), (9375, 13716), (9525, 13500), (10125, 12700), (10287, 12500), (11250, 11430)]