128515800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 192

約数和(自身を含む): 468184320

約数和(自身を除く): 339668520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 37, 40, 42, 50, 56, 60, 70, 74, 75, 84, 100, 105, 111, 120, 140, 148, 150, 168, 175, 185, 200, 210, 222, 259, 280, 296, 300, 350, 370, 420, 444, 518, 525, 555, 600, 700, 740, 777, 827, 840, 888, 925, 1036, 1050, 1110, 1295, 1400, 1480, 1554, 1654, 1850, 2072, 2100, 2220, 2481, 2590, 2775, 3108, 3308, 3700, 3885, 4135, 4200, 4440, 4962, 5180, 5550, 5789, 6216, 6475, 6616, 7400, 7770, 8270, 9924, 10360, 11100, 11578, 12405, 12950, 15540, 16540, 17367, 19425, 19848, 20675, 22200, 23156, 24810, 25900, 28945, 30599, 31080, 33080, 34734, 38850, 41350, 46312, 49620, 51800, 57890, 61198, 62025, 69468, 77700, 82700, 86835, 91797, 99240, 115780, 122396, 124050, 138936, 144725, 152995, 155400, 165400, 173670, 183594, 214193, 231560, 244792, 248100, 289450, 305990, 347340, 367188, 428386, 434175, 458985, 496200, 578900, 611980, 642579, 694680, 734376, 764975, 856772, 868350, 917970, 1070965, 1157800, 1223960, 1285158, 1529950, 1713544, 1736700, 1835940, 2141930, 2294925, 2570316, 3059900, 3212895, 3473400, 3671880, 4283860, 4589850, 5140632, 5354825, 6119800, 6425790, 8567720, 9179700, 10709650, 12851580, 16064475, 18359400, 21419300, 25703160, 32128950, 42838600, 64257900, 128515800]

約数ペア:

[(1, 128515800), (2, 64257900), (3, 42838600), (4, 32128950), (5, 25703160), (6, 21419300), (7, 18359400), (8, 16064475), (10, 12851580), (12, 10709650), (14, 9179700), (15, 8567720), (20, 6425790), (21, 6119800), (24, 5354825), (25, 5140632), (28, 4589850), (30, 4283860), (35, 3671880), (37, 3473400), (40, 3212895), (42, 3059900), (50, 2570316), (56, 2294925), (60, 2141930), (70, 1835940), (74, 1736700), (75, 1713544), (84, 1529950), (100, 1285158), (105, 1223960), (111, 1157800), (120, 1070965), (140, 917970), (148, 868350), (150, 856772), (168, 764975), (175, 734376), (185, 694680), (200, 642579), (210, 611980), (222, 578900), (259, 496200), (280, 458985), (296, 434175), (300, 428386), (350, 367188), (370, 347340), (420, 305990), (444, 289450), (518, 248100), (525, 244792), (555, 231560), (600, 214193), (700, 183594), (740, 173670), (777, 165400), (827, 155400), (840, 152995), (888, 144725), (925, 138936), (1036, 124050), (1050, 122396), (1110, 115780), (1295, 99240), (1400, 91797), (1480, 86835), (1554, 82700), (1654, 77700), (1850, 69468), (2072, 62025), (2100, 61198), (2220, 57890), (2481, 51800), (2590, 49620), (2775, 46312), (3108, 41350), (3308, 38850), (3700, 34734), (3885, 33080), (4135, 31080), (4200, 30599), (4440, 28945), (4962, 25900), (5180, 24810), (5550, 23156), (5789, 22200), (6216, 20675), (6475, 19848), (6616, 19425), (7400, 17367), (7770, 16540), (8270, 15540), (9924, 12950), (10360, 12405), (11100, 11578)]