68578720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61231}}^1$

素因数の和:61253

約数の個数: 48

約数和(自身を含む): 185165568

約数和(自身を除く): 116586848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 61231, 122462, 244924, 306155, 428617, 489848, 612310, 857234, 979696, 1224620, 1714468, 1959392, 2143085, 2449240, 3428936, 4286170, 4898480, 6857872, 8572340, 9796960, 13715744, 17144680, 34289360, 68578720]

約数ペア:

[(1, 68578720), (2, 34289360), (4, 17144680), (5, 13715744), (7, 9796960), (8, 8572340), (10, 6857872), (14, 4898480), (16, 4286170), (20, 3428936), (28, 2449240), (32, 2143085), (35, 1959392), (40, 1714468), (56, 1224620), (70, 979696), (80, 857234), (112, 612310), (140, 489848), (160, 428617), (224, 306155), (280, 244924), (560, 122462), (1120, 61231)]