81550800

素因数分解:

$2^4\times 3^5\times 5^2\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 180

約数和(自身を含む): 293835360

約数和(自身を除く): 212284560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 243, 270, 300, 324, 360, 400, 405, 432, 450, 486, 540, 600, 648, 675, 720, 810, 839, 900, 972, 1080, 1200, 1215, 1296, 1350, 1620, 1678, 1800, 1944, 2025, 2160, 2430, 2517, 2700, 3240, 3356, 3600, 3888, 4050, 4195, 4860, 5034, 5400, 6075, 6480, 6712, 7551, 8100, 8390, 9720, 10068, 10800, 12150, 12585, 13424, 15102, 16200, 16780, 19440, 20136, 20975, 22653, 24300, 25170, 30204, 32400, 33560, 37755, 40272, 41950, 45306, 48600, 50340, 60408, 62925, 67120, 67959, 75510, 83900, 90612, 97200, 100680, 113265, 120816, 125850, 135918, 151020, 167800, 181224, 188775, 201360, 203877, 226530, 251700, 271836, 302040, 335600, 339795, 362448, 377550, 407754, 453060, 503400, 543672, 566325, 604080, 679590, 755100, 815508, 906120, 1006800, 1019385, 1087344, 1132650, 1359180, 1510200, 1631016, 1698975, 1812240, 2038770, 2265300, 2718360, 3020400, 3262032, 3397950, 4077540, 4530600, 5096925, 5436720, 6795900, 8155080, 9061200, 10193850, 13591800, 16310160, 20387700, 27183600, 40775400, 81550800]

約数ペア:

[(1, 81550800), (2, 40775400), (3, 27183600), (4, 20387700), (5, 16310160), (6, 13591800), (8, 10193850), (9, 9061200), (10, 8155080), (12, 6795900), (15, 5436720), (16, 5096925), (18, 4530600), (20, 4077540), (24, 3397950), (25, 3262032), (27, 3020400), (30, 2718360), (36, 2265300), (40, 2038770), (45, 1812240), (48, 1698975), (50, 1631016), (54, 1510200), (60, 1359180), (72, 1132650), (75, 1087344), (80, 1019385), (81, 1006800), (90, 906120), (100, 815508), (108, 755100), (120, 679590), (135, 604080), (144, 566325), (150, 543672), (162, 503400), (180, 453060), (200, 407754), (216, 377550), (225, 362448), (240, 339795), (243, 335600), (270, 302040), (300, 271836), (324, 251700), (360, 226530), (400, 203877), (405, 201360), (432, 188775), (450, 181224), (486, 167800), (540, 151020), (600, 135918), (648, 125850), (675, 120816), (720, 113265), (810, 100680), (839, 97200), (900, 90612), (972, 83900), (1080, 75510), (1200, 67959), (1215, 67120), (1296, 62925), (1350, 60408), (1620, 50340), (1678, 48600), (1800, 45306), (1944, 41950), (2025, 40272), (2160, 37755), (2430, 33560), (2517, 32400), (2700, 30204), (3240, 25170), (3356, 24300), (3600, 22653), (3888, 20975), (4050, 20136), (4195, 19440), (4860, 16780), (5034, 16200), (5400, 15102), (6075, 13424), (6480, 12585), (6712, 12150), (7551, 10800), (8100, 10068), (8390, 9720)]