1971540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1217}}^1$

素因数の和:1238

約数の個数: 60

約数和(自身を含む): 6189876

約数和(自身を除く): 4218336

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1217, 1620, 2434, 3651, 4868, 6085, 7302, 10953, 12170, 14604, 18255, 21906, 24340, 32859, 36510, 43812, 54765, 65718, 73020, 98577, 109530, 131436, 164295, 197154, 219060, 328590, 394308, 492885, 657180, 985770, 1971540]

約数ペア:

[(1, 1971540), (2, 985770), (3, 657180), (4, 492885), (5, 394308), (6, 328590), (9, 219060), (10, 197154), (12, 164295), (15, 131436), (18, 109530), (20, 98577), (27, 73020), (30, 65718), (36, 54765), (45, 43812), (54, 36510), (60, 32859), (81, 24340), (90, 21906), (108, 18255), (135, 14604), (162, 12170), (180, 10953), (270, 7302), (324, 6085), (405, 4868), (540, 3651), (810, 2434), (1217, 1620)]