1656948720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{140897}}^1$

素因数の和:140927

約数の個数: 120

約数和(自身を含む): 5975202384

約数和(自身を除く): 4318253664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 140897, 281794, 422691, 563588, 704485, 845382, 986279, 1127176, 1408970, 1690764, 1972558, 2113455, 2254352, 2817940, 2958837, 3381528, 3945116, 4226910, 4931395, 5635880, 5917674, 6763056, 6903953, 7890232, 8453820, 9862790, 11271760, 11835348, 13807906, 14794185, 15780464, 16907640, 19725580, 20711859, 23670696, 27615812, 29588370, 33815280, 34519765, 39451160, 41423718, 47341392, 55231624, 59176740, 69039530, 78902320, 82847436, 103559295, 110463248, 118353480, 138079060, 165694872, 207118590, 236706960, 276158120, 331389744, 414237180, 552316240, 828474360, 1656948720]

約数ペア:

[(1, 1656948720), (2, 828474360), (3, 552316240), (4, 414237180), (5, 331389744), (6, 276158120), (7, 236706960), (8, 207118590), (10, 165694872), (12, 138079060), (14, 118353480), (15, 110463248), (16, 103559295), (20, 82847436), (21, 78902320), (24, 69039530), (28, 59176740), (30, 55231624), (35, 47341392), (40, 41423718), (42, 39451160), (48, 34519765), (49, 33815280), (56, 29588370), (60, 27615812), (70, 23670696), (80, 20711859), (84, 19725580), (98, 16907640), (105, 15780464), (112, 14794185), (120, 13807906), (140, 11835348), (147, 11271760), (168, 9862790), (196, 8453820), (210, 7890232), (240, 6903953), (245, 6763056), (280, 5917674), (294, 5635880), (336, 4931395), (392, 4226910), (420, 3945116), (490, 3381528), (560, 2958837), (588, 2817940), (735, 2254352), (784, 2113455), (840, 1972558), (980, 1690764), (1176, 1408970), (1470, 1127176), (1680, 986279), (1960, 845382), (2352, 704485), (2940, 563588), (3920, 422691), (5880, 281794), (11760, 140897)]