1628340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3877}}^1$

素因数の和:3896

約数の個数: 48

約数和(自身を含む): 5212032

約数和(自身を除く): 3583692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3877, 7754, 11631, 15508, 19385, 23262, 27139, 38770, 46524, 54278, 58155, 77540, 81417, 108556, 116310, 135695, 162834, 232620, 271390, 325668, 407085, 542780, 814170, 1628340]

約数ペア:

[(1, 1628340), (2, 814170), (3, 542780), (4, 407085), (5, 325668), (6, 271390), (7, 232620), (10, 162834), (12, 135695), (14, 116310), (15, 108556), (20, 81417), (21, 77540), (28, 58155), (30, 54278), (35, 46524), (42, 38770), (60, 27139), (70, 23262), (84, 19385), (105, 15508), (140, 11631), (210, 7754), (420, 3877)]