28827900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{3559}}^1$

素因数の和:3585

約数の個数: 90

約数和(自身を含む): 93474920

約数和(自身を除く): 64647020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 3559, 4050, 7118, 8100, 10677, 14236, 17795, 21354, 32031, 35590, 42708, 53385, 64062, 71180, 88975, 96093, 106770, 128124, 160155, 177950, 192186, 213540, 266925, 288279, 320310, 355900, 384372, 480465, 533850, 576558, 640620, 800775, 960930, 1067700, 1153116, 1441395, 1601550, 1921860, 2402325, 2882790, 3203100, 4804650, 5765580, 7206975, 9609300, 14413950, 28827900]

約数ペア:

[(1, 28827900), (2, 14413950), (3, 9609300), (4, 7206975), (5, 5765580), (6, 4804650), (9, 3203100), (10, 2882790), (12, 2402325), (15, 1921860), (18, 1601550), (20, 1441395), (25, 1153116), (27, 1067700), (30, 960930), (36, 800775), (45, 640620), (50, 576558), (54, 533850), (60, 480465), (75, 384372), (81, 355900), (90, 320310), (100, 288279), (108, 266925), (135, 213540), (150, 192186), (162, 177950), (180, 160155), (225, 128124), (270, 106770), (300, 96093), (324, 88975), (405, 71180), (450, 64062), (540, 53385), (675, 42708), (810, 35590), (900, 32031), (1350, 21354), (1620, 17795), (2025, 14236), (2700, 10677), (3559, 8100), (4050, 7118)]