319746840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{380651}}^1$

素因数の和:380672

約数の個数: 64

約数和(自身を含む): 1096277760

約数和(自身を除く): 776530920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 380651, 761302, 1141953, 1522604, 1903255, 2283906, 2664557, 3045208, 3806510, 4567812, 5329114, 5709765, 7613020, 7993671, 9135624, 10658228, 11419530, 13322785, 15226040, 15987342, 21316456, 22839060, 26645570, 31974684, 39968355, 45678120, 53291140, 63949368, 79936710, 106582280, 159873420, 319746840]

約数ペア:

[(1, 319746840), (2, 159873420), (3, 106582280), (4, 79936710), (5, 63949368), (6, 53291140), (7, 45678120), (8, 39968355), (10, 31974684), (12, 26645570), (14, 22839060), (15, 21316456), (20, 15987342), (21, 15226040), (24, 13322785), (28, 11419530), (30, 10658228), (35, 9135624), (40, 7993671), (42, 7613020), (56, 5709765), (60, 5329114), (70, 4567812), (84, 3806510), (105, 3045208), (120, 2664557), (140, 2283906), (168, 1903255), (210, 1522604), (280, 1141953), (420, 761302), (840, 380651)]