144336640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 401768640

約数和(自身を除く): 257432000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 181, 224, 256, 280, 320, 356, 362, 445, 448, 560, 623, 640, 712, 724, 890, 896, 905, 1120, 1246, 1267, 1280, 1424, 1448, 1780, 1792, 1810, 2240, 2492, 2534, 2848, 2896, 3115, 3560, 3620, 4480, 4984, 5068, 5696, 5792, 6230, 6335, 7120, 7240, 8960, 9968, 10136, 11392, 11584, 12460, 12670, 14240, 14480, 16109, 19936, 20272, 22784, 23168, 24920, 25340, 28480, 28960, 32218, 39872, 40544, 46336, 49840, 50680, 56960, 57920, 64436, 79744, 80545, 81088, 99680, 101360, 112763, 113920, 115840, 128872, 159488, 161090, 162176, 199360, 202720, 225526, 231680, 257744, 322180, 324352, 398720, 405440, 451052, 515488, 563815, 644360, 797440, 810880, 902104, 1030976, 1127630, 1288720, 1621760, 1804208, 2061952, 2255260, 2577440, 3608416, 4123904, 4510520, 5154880, 7216832, 9021040, 10309760, 14433664, 18042080, 20619520, 28867328, 36084160, 72168320, 144336640]

約数ペア:

[(1, 144336640), (2, 72168320), (4, 36084160), (5, 28867328), (7, 20619520), (8, 18042080), (10, 14433664), (14, 10309760), (16, 9021040), (20, 7216832), (28, 5154880), (32, 4510520), (35, 4123904), (40, 3608416), (56, 2577440), (64, 2255260), (70, 2061952), (80, 1804208), (89, 1621760), (112, 1288720), (128, 1127630), (140, 1030976), (160, 902104), (178, 810880), (181, 797440), (224, 644360), (256, 563815), (280, 515488), (320, 451052), (356, 405440), (362, 398720), (445, 324352), (448, 322180), (560, 257744), (623, 231680), (640, 225526), (712, 202720), (724, 199360), (890, 162176), (896, 161090), (905, 159488), (1120, 128872), (1246, 115840), (1267, 113920), (1280, 112763), (1424, 101360), (1448, 99680), (1780, 81088), (1792, 80545), (1810, 79744), (2240, 64436), (2492, 57920), (2534, 56960), (2848, 50680), (2896, 49840), (3115, 46336), (3560, 40544), (3620, 39872), (4480, 32218), (4984, 28960), (5068, 28480), (5696, 25340), (5792, 24920), (6230, 23168), (6335, 22784), (7120, 20272), (7240, 19936), (8960, 16109), (9968, 14480), (10136, 14240), (11392, 12670), (11584, 12460)]