20187712800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{147571}}^1$

素因数の和:147616

約数の個数: 216

約数和(自身を含む): 74934110160

約数和(自身を除く): 54746397360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 144, 150, 152, 160, 171, 180, 190, 200, 225, 228, 240, 285, 288, 300, 304, 342, 360, 380, 400, 450, 456, 475, 480, 570, 600, 608, 684, 720, 760, 800, 855, 900, 912, 950, 1140, 1200, 1368, 1425, 1440, 1520, 1710, 1800, 1824, 1900, 2280, 2400, 2736, 2850, 3040, 3420, 3600, 3800, 4275, 4560, 5472, 5700, 6840, 7200, 7600, 8550, 9120, 11400, 13680, 15200, 17100, 22800, 27360, 34200, 45600, 68400, 136800, 147571, 295142, 442713, 590284, 737855, 885426, 1180568, 1328139, 1475710, 1770852, 2213565, 2361136, 2656278, 2803849, 2951420, 3541704, 3689275, 4427130, 4722272, 5312556, 5607698, 5902840, 6640695, 7083408, 7378550, 8411547, 8854260, 10625112, 11067825, 11215396, 11805680, 13281390, 14019245, 14166816, 14757100, 16823094, 17708520, 21250224, 22135650, 22430792, 23611360, 25234641, 26562780, 28038490, 29514200, 33203475, 33646188, 35417040, 42057735, 42500448, 44271300, 44861584, 50469282, 53125560, 56076980, 59028400, 66406950, 67292376, 70096225, 70834080, 84115470, 88542600, 89723168, 100938564, 106251120, 112153960, 118056800, 126173205, 132813900, 134584752, 140192450, 168230940, 177085200, 201877128, 210288675, 212502240, 224307920, 252346410, 265627800, 269169504, 280384900, 336461880, 354170400, 403754256, 420577350, 448615840, 504692820, 531255600, 560769800, 630866025, 672923760, 807508512, 841154700, 1009385640, 1062511200, 1121539600, 1261732050, 1345847520, 1682309400, 2018771280, 2243079200, 2523464100, 3364618800, 4037542560, 5046928200, 6729237600, 10093856400, 20187712800]

約数ペア:

[(1, 20187712800), (2, 10093856400), (3, 6729237600), (4, 5046928200), (5, 4037542560), (6, 3364618800), (8, 2523464100), (9, 2243079200), (10, 2018771280), (12, 1682309400), (15, 1345847520), (16, 1261732050), (18, 1121539600), (19, 1062511200), (20, 1009385640), (24, 841154700), (25, 807508512), (30, 672923760), (32, 630866025), (36, 560769800), (38, 531255600), (40, 504692820), (45, 448615840), (48, 420577350), (50, 403754256), (57, 354170400), (60, 336461880), (72, 280384900), (75, 269169504), (76, 265627800), (80, 252346410), (90, 224307920), (95, 212502240), (96, 210288675), (100, 201877128), (114, 177085200), (120, 168230940), (144, 140192450), (150, 134584752), (152, 132813900), (160, 126173205), (171, 118056800), (180, 112153960), (190, 106251120), (200, 100938564), (225, 89723168), (228, 88542600), (240, 84115470), (285, 70834080), (288, 70096225), (300, 67292376), (304, 66406950), (342, 59028400), (360, 56076980), (380, 53125560), (400, 50469282), (450, 44861584), (456, 44271300), (475, 42500448), (480, 42057735), (570, 35417040), (600, 33646188), (608, 33203475), (684, 29514200), (720, 28038490), (760, 26562780), (800, 25234641), (855, 23611360), (900, 22430792), (912, 22135650), (950, 21250224), (1140, 17708520), (1200, 16823094), (1368, 14757100), (1425, 14166816), (1440, 14019245), (1520, 13281390), (1710, 11805680), (1800, 11215396), (1824, 11067825), (1900, 10625112), (2280, 8854260), (2400, 8411547), (2736, 7378550), (2850, 7083408), (3040, 6640695), (3420, 5902840), (3600, 5607698), (3800, 5312556), (4275, 4722272), (4560, 4427130), (5472, 3689275), (5700, 3541704), (6840, 2951420), (7200, 2803849), (7600, 2656278), (8550, 2361136), (9120, 2213565), (11400, 1770852), (13680, 1475710), (15200, 1328139), (17100, 1180568), (22800, 885426), (27360, 737855), (34200, 590284), (45600, 442713), (68400, 295142), (136800, 147571)]