20164870800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{1987}}^1\times {\mathrm{2819}}^1$

素因数の和:4830

約数の個数: 180

約数和(自身を含む): 70037756880

約数和(自身を除く): 49872886080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 1987, 2819, 3600, 3974, 5638, 5961, 7948, 8457, 9935, 11276, 11922, 14095, 15896, 16914, 17883, 19870, 22552, 23844, 25371, 28190, 29805, 31792, 33828, 35766, 39740, 42285, 45104, 47688, 49675, 50742, 56380, 59610, 67656, 70475, 71532, 79480, 84570, 89415, 95376, 99350, 101484, 112760, 119220, 126855, 135312, 140950, 143064, 149025, 158960, 169140, 178830, 198700, 202968, 211425, 225520, 238440, 253710, 281900, 286128, 298050, 338280, 357660, 397400, 405936, 422850, 447075, 476880, 507420, 563800, 596100, 634275, 676560, 715320, 794800, 845700, 894150, 1014840, 1127600, 1192200, 1268550, 1430640, 1691400, 1788300, 2029680, 2384400, 2537100, 3382800, 3576600, 5074200, 5601353, 7153200, 10148400, 11202706, 16804059, 22405412, 28006765, 33608118, 44810824, 50412177, 56013530, 67216236, 84020295, 89621648, 100824354, 112027060, 134432472, 140033825, 168040590, 201648708, 224054120, 252060885, 268864944, 280067650, 336081180, 403297416, 420101475, 448108240, 504121770, 560135300, 672162360, 806594832, 840202950, 1008243540, 1120270600, 1260304425, 1344324720, 1680405900, 2016487080, 2240541200, 2520608850, 3360811800, 4032974160, 5041217700, 6721623600, 10082435400, 20164870800]

約数ペア:

[(1, 20164870800), (2, 10082435400), (3, 6721623600), (4, 5041217700), (5, 4032974160), (6, 3360811800), (8, 2520608850), (9, 2240541200), (10, 2016487080), (12, 1680405900), (15, 1344324720), (16, 1260304425), (18, 1120270600), (20, 1008243540), (24, 840202950), (25, 806594832), (30, 672162360), (36, 560135300), (40, 504121770), (45, 448108240), (48, 420101475), (50, 403297416), (60, 336081180), (72, 280067650), (75, 268864944), (80, 252060885), (90, 224054120), (100, 201648708), (120, 168040590), (144, 140033825), (150, 134432472), (180, 112027060), (200, 100824354), (225, 89621648), (240, 84020295), (300, 67216236), (360, 56013530), (400, 50412177), (450, 44810824), (600, 33608118), (720, 28006765), (900, 22405412), (1200, 16804059), (1800, 11202706), (1987, 10148400), (2819, 7153200), (3600, 5601353), (3974, 5074200), (5638, 3576600), (5961, 3382800), (7948, 2537100), (8457, 2384400), (9935, 2029680), (11276, 1788300), (11922, 1691400), (14095, 1430640), (15896, 1268550), (16914, 1192200), (17883, 1127600), (19870, 1014840), (22552, 894150), (23844, 845700), (25371, 794800), (28190, 715320), (29805, 676560), (31792, 634275), (33828, 596100), (35766, 563800), (39740, 507420), (42285, 476880), (45104, 447075), (47688, 422850), (49675, 405936), (50742, 397400), (56380, 357660), (59610, 338280), (67656, 298050), (70475, 286128), (71532, 281900), (79480, 253710), (84570, 238440), (89415, 225520), (95376, 211425), (99350, 202968), (101484, 198700), (112760, 178830), (119220, 169140), (126855, 158960), (135312, 149025), (140950, 143064)]