164564640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{114281}}^1$

素因数の和:114302

約数の個数: 72

約数和(自身を含む): 561581748

約数和(自身を除く): 397017108

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 114281, 228562, 342843, 457124, 571405, 685686, 914248, 1028529, 1142810, 1371372, 1714215, 1828496, 2057058, 2285620, 2742744, 3428430, 3656992, 4114116, 4571240, 5142645, 5485488, 6856860, 8228232, 9142480, 10285290, 10970976, 13713720, 16456464, 18284960, 20570580, 27427440, 32912928, 41141160, 54854880, 82282320, 164564640]

約数ペア:

[(1, 164564640), (2, 82282320), (3, 54854880), (4, 41141160), (5, 32912928), (6, 27427440), (8, 20570580), (9, 18284960), (10, 16456464), (12, 13713720), (15, 10970976), (16, 10285290), (18, 9142480), (20, 8228232), (24, 6856860), (30, 5485488), (32, 5142645), (36, 4571240), (40, 4114116), (45, 3656992), (48, 3428430), (60, 2742744), (72, 2285620), (80, 2057058), (90, 1828496), (96, 1714215), (120, 1371372), (144, 1142810), (160, 1028529), (180, 914248), (240, 685686), (288, 571405), (360, 457124), (480, 342843), (720, 228562), (1440, 114281)]