128971800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:682

約数の個数: 144

約数和(自身を含む): 437126040

約数和(自身を除く): 308154240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 137, 150, 180, 200, 225, 274, 300, 360, 411, 450, 523, 548, 600, 685, 822, 900, 1046, 1096, 1233, 1370, 1569, 1644, 1800, 2055, 2092, 2466, 2615, 2740, 3138, 3288, 3425, 4110, 4184, 4707, 4932, 5230, 5480, 6165, 6276, 6850, 7845, 8220, 9414, 9864, 10275, 10460, 12330, 12552, 13075, 13700, 15690, 16440, 18828, 20550, 20920, 23535, 24660, 26150, 27400, 30825, 31380, 37656, 39225, 41100, 47070, 49320, 52300, 61650, 62760, 71651, 78450, 82200, 94140, 104600, 117675, 123300, 143302, 156900, 188280, 214953, 235350, 246600, 286604, 313800, 358255, 429906, 470700, 573208, 644859, 716510, 859812, 941400, 1074765, 1289718, 1433020, 1719624, 1791275, 2149530, 2579436, 2866040, 3224295, 3582550, 4299060, 5158872, 5373825, 6448590, 7165100, 8598120, 10747650, 12897180, 14330200, 16121475, 21495300, 25794360, 32242950, 42990600, 64485900, 128971800]

約数ペア:

[(1, 128971800), (2, 64485900), (3, 42990600), (4, 32242950), (5, 25794360), (6, 21495300), (8, 16121475), (9, 14330200), (10, 12897180), (12, 10747650), (15, 8598120), (18, 7165100), (20, 6448590), (24, 5373825), (25, 5158872), (30, 4299060), (36, 3582550), (40, 3224295), (45, 2866040), (50, 2579436), (60, 2149530), (72, 1791275), (75, 1719624), (90, 1433020), (100, 1289718), (120, 1074765), (137, 941400), (150, 859812), (180, 716510), (200, 644859), (225, 573208), (274, 470700), (300, 429906), (360, 358255), (411, 313800), (450, 286604), (523, 246600), (548, 235350), (600, 214953), (685, 188280), (822, 156900), (900, 143302), (1046, 123300), (1096, 117675), (1233, 104600), (1370, 94140), (1569, 82200), (1644, 78450), (1800, 71651), (2055, 62760), (2092, 61650), (2466, 52300), (2615, 49320), (2740, 47070), (3138, 41100), (3288, 39225), (3425, 37656), (4110, 31380), (4184, 30825), (4707, 27400), (4932, 26150), (5230, 24660), (5480, 23535), (6165, 20920), (6276, 20550), (6850, 18828), (7845, 16440), (8220, 15690), (9414, 13700), (9864, 13075), (10275, 12552), (10460, 12330)]