64507440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268781}}^1$

素因数の和:268797

約数の個数: 40

約数和(自身を含む): 199973808

約数和(自身を除く): 135466368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268781, 537562, 806343, 1075124, 1343905, 1612686, 2150248, 2687810, 3225372, 4031715, 4300496, 5375620, 6450744, 8063430, 10751240, 12901488, 16126860, 21502480, 32253720, 64507440]

約数ペア:

[(1, 64507440), (2, 32253720), (3, 21502480), (4, 16126860), (5, 12901488), (6, 10751240), (8, 8063430), (10, 6450744), (12, 5375620), (15, 4300496), (16, 4031715), (20, 3225372), (24, 2687810), (30, 2150248), (40, 1612686), (48, 1343905), (60, 1075124), (80, 806343), (120, 537562), (240, 268781)]