1381055200

素因数分解:

$2^5\times 5^2\times 7^4\times {\mathrm{719}}^1$

素因数の和:767

約数の個数: 180

約数和(自身を含む): 3938654160

約数和(自身を除く): 2557598960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 343, 350, 392, 400, 490, 560, 686, 700, 719, 784, 800, 980, 1120, 1225, 1372, 1400, 1438, 1568, 1715, 1960, 2401, 2450, 2744, 2800, 2876, 3430, 3595, 3920, 4802, 4900, 5033, 5488, 5600, 5752, 6860, 7190, 7840, 8575, 9604, 9800, 10066, 10976, 11504, 12005, 13720, 14380, 17150, 17975, 19208, 19600, 20132, 23008, 24010, 25165, 27440, 28760, 34300, 35231, 35950, 38416, 39200, 40264, 48020, 50330, 54880, 57520, 60025, 68600, 70462, 71900, 76832, 80528, 96040, 100660, 115040, 120050, 125825, 137200, 140924, 143800, 161056, 176155, 192080, 201320, 240100, 246617, 251650, 274400, 281848, 287600, 352310, 384160, 402640, 480200, 493234, 503300, 563696, 575200, 704620, 805280, 880775, 960400, 986468, 1006600, 1127392, 1233085, 1409240, 1726319, 1761550, 1920800, 1972936, 2013200, 2466170, 2818480, 3452638, 3523100, 3945872, 4026400, 4932340, 5636960, 6165425, 6905276, 7046200, 7891744, 8631595, 9864680, 12330850, 13810552, 14092400, 17263190, 19729360, 24661700, 27621104, 28184800, 34526380, 39458720, 43157975, 49323400, 55242208, 69052760, 86315950, 98646800, 138105520, 172631900, 197293600, 276211040, 345263800, 690527600, 1381055200]

約数ペア:

[(1, 1381055200), (2, 690527600), (4, 345263800), (5, 276211040), (7, 197293600), (8, 172631900), (10, 138105520), (14, 98646800), (16, 86315950), (20, 69052760), (25, 55242208), (28, 49323400), (32, 43157975), (35, 39458720), (40, 34526380), (49, 28184800), (50, 27621104), (56, 24661700), (70, 19729360), (80, 17263190), (98, 14092400), (100, 13810552), (112, 12330850), (140, 9864680), (160, 8631595), (175, 7891744), (196, 7046200), (200, 6905276), (224, 6165425), (245, 5636960), (280, 4932340), (343, 4026400), (350, 3945872), (392, 3523100), (400, 3452638), (490, 2818480), (560, 2466170), (686, 2013200), (700, 1972936), (719, 1920800), (784, 1761550), (800, 1726319), (980, 1409240), (1120, 1233085), (1225, 1127392), (1372, 1006600), (1400, 986468), (1438, 960400), (1568, 880775), (1715, 805280), (1960, 704620), (2401, 575200), (2450, 563696), (2744, 503300), (2800, 493234), (2876, 480200), (3430, 402640), (3595, 384160), (3920, 352310), (4802, 287600), (4900, 281848), (5033, 274400), (5488, 251650), (5600, 246617), (5752, 240100), (6860, 201320), (7190, 192080), (7840, 176155), (8575, 161056), (9604, 143800), (9800, 140924), (10066, 137200), (10976, 125825), (11504, 120050), (12005, 115040), (13720, 100660), (14380, 96040), (17150, 80528), (17975, 76832), (19208, 71900), (19600, 70462), (20132, 68600), (23008, 60025), (24010, 57520), (25165, 54880), (27440, 50330), (28760, 48020), (34300, 40264), (35231, 39200), (35950, 38416)]