248170720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{221581}}^1$

素因数の和:221603

約数の個数: 48

約数和(自身を含む): 670063968

約数和(自身を除く): 421893248

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, 221581, 443162, 886324, 1107905, 1551067, 1772648, 2215810, 3102134, 3545296, 4431620, 6204268, 7090592, 7755335, 8863240, 12408536, 15510670, 17726480, 24817072, 31021340, 35452960, 49634144, 62042680, 124085360, 248170720]

約数ペア:

[(1, 248170720), (2, 124085360), (4, 62042680), (5, 49634144), (7, 35452960), (8, 31021340), (10, 24817072), (14, 17726480), (16, 15510670), (20, 12408536), (28, 8863240), (32, 7755335), (35, 7090592), (40, 6204268), (56, 4431620), (70, 3545296), (80, 3102134), (112, 2215810), (140, 1772648), (160, 1551067), (224, 1107905), (280, 886324), (560, 443162), (1120, 221581)]