217171800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 192

約数和(自身を含む): 756201600

約数和(自身を除く): 539029800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 131, 135, 150, 180, 200, 216, 225, 262, 270, 300, 307, 360, 393, 450, 524, 540, 600, 614, 655, 675, 786, 900, 921, 1048, 1080, 1179, 1228, 1310, 1350, 1535, 1572, 1800, 1842, 1965, 2358, 2456, 2620, 2700, 2763, 3070, 3144, 3275, 3537, 3684, 3930, 4605, 4716, 5240, 5400, 5526, 5895, 6140, 6550, 7074, 7368, 7675, 7860, 8289, 9210, 9432, 9825, 11052, 11790, 12280, 13100, 13815, 14148, 15350, 15720, 16578, 17685, 18420, 19650, 22104, 23025, 23580, 26200, 27630, 28296, 29475, 30700, 33156, 35370, 36840, 39300, 40217, 41445, 46050, 47160, 55260, 58950, 61400, 66312, 69075, 70740, 78600, 80434, 82890, 88425, 92100, 110520, 117900, 120651, 138150, 141480, 160868, 165780, 176850, 184200, 201085, 207225, 235800, 241302, 276300, 321736, 331560, 353700, 361953, 402170, 414450, 482604, 552600, 603255, 707400, 723906, 804340, 828900, 965208, 1005425, 1085859, 1206510, 1447812, 1608680, 1657800, 1809765, 2010850, 2171718, 2413020, 2895624, 3016275, 3619530, 4021700, 4343436, 4826040, 5429295, 6032550, 7239060, 8043400, 8686872, 9048825, 10858590, 12065100, 14478120, 18097650, 21717180, 24130200, 27146475, 36195300, 43434360, 54292950, 72390600, 108585900, 217171800]

約数ペア:

[(1, 217171800), (2, 108585900), (3, 72390600), (4, 54292950), (5, 43434360), (6, 36195300), (8, 27146475), (9, 24130200), (10, 21717180), (12, 18097650), (15, 14478120), (18, 12065100), (20, 10858590), (24, 9048825), (25, 8686872), (27, 8043400), (30, 7239060), (36, 6032550), (40, 5429295), (45, 4826040), (50, 4343436), (54, 4021700), (60, 3619530), (72, 3016275), (75, 2895624), (90, 2413020), (100, 2171718), (108, 2010850), (120, 1809765), (131, 1657800), (135, 1608680), (150, 1447812), (180, 1206510), (200, 1085859), (216, 1005425), (225, 965208), (262, 828900), (270, 804340), (300, 723906), (307, 707400), (360, 603255), (393, 552600), (450, 482604), (524, 414450), (540, 402170), (600, 361953), (614, 353700), (655, 331560), (675, 321736), (786, 276300), (900, 241302), (921, 235800), (1048, 207225), (1080, 201085), (1179, 184200), (1228, 176850), (1310, 165780), (1350, 160868), (1535, 141480), (1572, 138150), (1800, 120651), (1842, 117900), (1965, 110520), (2358, 92100), (2456, 88425), (2620, 82890), (2700, 80434), (2763, 78600), (3070, 70740), (3144, 69075), (3275, 66312), (3537, 61400), (3684, 58950), (3930, 55260), (4605, 47160), (4716, 46050), (5240, 41445), (5400, 40217), (5526, 39300), (5895, 36840), (6140, 35370), (6550, 33156), (7074, 30700), (7368, 29475), (7675, 28296), (7860, 27630), (8289, 26200), (9210, 23580), (9432, 23025), (9825, 22104), (11052, 19650), (11790, 18420), (12280, 17685), (13100, 16578), (13815, 15720), (14148, 15350)]