181020000

素因数分解:

$2^5\times 3^1\times 5^4\times 7^1\times {\mathrm{431}}^1$

素因数の和:471

約数の個数: 240

約数和(自身を含む): 680182272

約数和(自身を除く): 499162272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 150, 160, 168, 175, 200, 210, 224, 240, 250, 280, 300, 336, 350, 375, 400, 420, 431, 480, 500, 525, 560, 600, 625, 672, 700, 750, 800, 840, 862, 875, 1000, 1050, 1120, 1200, 1250, 1293, 1400, 1500, 1680, 1724, 1750, 1875, 2000, 2100, 2155, 2400, 2500, 2586, 2625, 2800, 3000, 3017, 3360, 3448, 3500, 3750, 4000, 4200, 4310, 4375, 5000, 5172, 5250, 5600, 6000, 6034, 6465, 6896, 7000, 7500, 8400, 8620, 8750, 9051, 10000, 10344, 10500, 10775, 12000, 12068, 12930, 13125, 13792, 14000, 15000, 15085, 16800, 17240, 17500, 18102, 20000, 20688, 21000, 21550, 24136, 25860, 26250, 28000, 30000, 30170, 32325, 34480, 35000, 36204, 41376, 42000, 43100, 45255, 48272, 51720, 52500, 53875, 60000, 60340, 64650, 68960, 70000, 72408, 75425, 84000, 86200, 90510, 96544, 103440, 105000, 107750, 120680, 129300, 140000, 144816, 150850, 161625, 172400, 181020, 206880, 210000, 215500, 226275, 241360, 258600, 269375, 289632, 301700, 323250, 344800, 362040, 377125, 420000, 431000, 452550, 482720, 517200, 538750, 603400, 646500, 724080, 754250, 808125, 862000, 905100, 1034400, 1077500, 1131375, 1206800, 1293000, 1448160, 1508500, 1616250, 1724000, 1810200, 1885625, 2155000, 2262750, 2413600, 2586000, 3017000, 3232500, 3620400, 3771250, 4310000, 4525500, 5172000, 5656875, 6034000, 6465000, 7240800, 7542500, 8620000, 9051000, 11313750, 12068000, 12930000, 15085000, 18102000, 22627500, 25860000, 30170000, 36204000, 45255000, 60340000, 90510000, 181020000]

約数ペア:

[(1, 181020000), (2, 90510000), (3, 60340000), (4, 45255000), (5, 36204000), (6, 30170000), (7, 25860000), (8, 22627500), (10, 18102000), (12, 15085000), (14, 12930000), (15, 12068000), (16, 11313750), (20, 9051000), (21, 8620000), (24, 7542500), (25, 7240800), (28, 6465000), (30, 6034000), (32, 5656875), (35, 5172000), (40, 4525500), (42, 4310000), (48, 3771250), (50, 3620400), (56, 3232500), (60, 3017000), (70, 2586000), (75, 2413600), (80, 2262750), (84, 2155000), (96, 1885625), (100, 1810200), (105, 1724000), (112, 1616250), (120, 1508500), (125, 1448160), (140, 1293000), (150, 1206800), (160, 1131375), (168, 1077500), (175, 1034400), (200, 905100), (210, 862000), (224, 808125), (240, 754250), (250, 724080), (280, 646500), (300, 603400), (336, 538750), (350, 517200), (375, 482720), (400, 452550), (420, 431000), (431, 420000), (480, 377125), (500, 362040), (525, 344800), (560, 323250), (600, 301700), (625, 289632), (672, 269375), (700, 258600), (750, 241360), (800, 226275), (840, 215500), (862, 210000), (875, 206880), (1000, 181020), (1050, 172400), (1120, 161625), (1200, 150850), (1250, 144816), (1293, 140000), (1400, 129300), (1500, 120680), (1680, 107750), (1724, 105000), (1750, 103440), (1875, 96544), (2000, 90510), (2100, 86200), (2155, 84000), (2400, 75425), (2500, 72408), (2586, 70000), (2625, 68960), (2800, 64650), (3000, 60340), (3017, 60000), (3360, 53875), (3448, 52500), (3500, 51720), (3750, 48272), (4000, 45255), (4200, 43100), (4310, 42000), (4375, 41376), (5000, 36204), (5172, 35000), (5250, 34480), (5600, 32325), (6000, 30170), (6034, 30000), (6465, 28000), (6896, 26250), (7000, 25860), (7500, 24136), (8400, 21550), (8620, 21000), (8750, 20688), (9051, 20000), (10000, 18102), (10344, 17500), (10500, 17240), (10775, 16800), (12000, 15085), (12068, 15000), (12930, 14000), (13125, 13792)]