20216792280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:602

約数の個数: 256

約数和(自身を含む): 63465431040

約数和(自身を除く): 43248638760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 73, 86, 120, 129, 146, 172, 191, 215, 219, 258, 281, 292, 344, 365, 382, 430, 438, 516, 562, 573, 584, 645, 730, 764, 843, 860, 876, 955, 1032, 1095, 1124, 1146, 1290, 1405, 1460, 1528, 1686, 1720, 1752, 1910, 2190, 2248, 2292, 2580, 2810, 2865, 2920, 3139, 3372, 3820, 4215, 4380, 4584, 5160, 5620, 5730, 6278, 6744, 7640, 8213, 8430, 8760, 9417, 11240, 11460, 12083, 12556, 13943, 15695, 16426, 16860, 18834, 20513, 22920, 24166, 24639, 25112, 27886, 31390, 32852, 33720, 36249, 37668, 41026, 41065, 41829, 47085, 48332, 49278, 53671, 55772, 60415, 61539, 62780, 65704, 69715, 72498, 75336, 82052, 82130, 83658, 94170, 96664, 98556, 102565, 107342, 111544, 120830, 123078, 123195, 125560, 139430, 144996, 161013, 164104, 164260, 167316, 181245, 188340, 197112, 205130, 209145, 214684, 241660, 246156, 246390, 268355, 278860, 289992, 307695, 322026, 328520, 334632, 362490, 376680, 410260, 418290, 429368, 483320, 492312, 492780, 536710, 557720, 599549, 615390, 644052, 724980, 805065, 820520, 836580, 882059, 985560, 1073420, 1199098, 1230780, 1288104, 1449960, 1610130, 1673160, 1764118, 1798647, 2146840, 2307853, 2398196, 2461560, 2646177, 2997745, 3220260, 3528236, 3597294, 3917983, 4410295, 4615706, 4796392, 5292354, 5995490, 6440520, 6923559, 7056472, 7194588, 7835966, 8820590, 8993235, 9231412, 10584708, 11539265, 11753949, 11990980, 13230885, 13847118, 14389176, 15671932, 17641180, 17986470, 18462824, 19589915, 21169416, 23078530, 23507898, 23981960, 26461770, 27694236, 31343864, 34617795, 35282360, 35972940, 39179830, 46157060, 47015796, 52923540, 55388472, 58769745, 69235590, 71945880, 78359660, 92314120, 94031592, 105847080, 117539490, 138471180, 156719320, 168473269, 235078980, 276942360, 336946538, 470157960, 505419807, 673893076, 842366345, 1010839614, 1347786152, 1684732690, 2021679228, 2527099035, 3369465380, 4043358456, 5054198070, 6738930760, 10108396140, 20216792280]

約数ペア:

[(1, 20216792280), (2, 10108396140), (3, 6738930760), (4, 5054198070), (5, 4043358456), (6, 3369465380), (8, 2527099035), (10, 2021679228), (12, 1684732690), (15, 1347786152), (20, 1010839614), (24, 842366345), (30, 673893076), (40, 505419807), (43, 470157960), (60, 336946538), (73, 276942360), (86, 235078980), (120, 168473269), (129, 156719320), (146, 138471180), (172, 117539490), (191, 105847080), (215, 94031592), (219, 92314120), (258, 78359660), (281, 71945880), (292, 69235590), (344, 58769745), (365, 55388472), (382, 52923540), (430, 47015796), (438, 46157060), (516, 39179830), (562, 35972940), (573, 35282360), (584, 34617795), (645, 31343864), (730, 27694236), (764, 26461770), (843, 23981960), (860, 23507898), (876, 23078530), (955, 21169416), (1032, 19589915), (1095, 18462824), (1124, 17986470), (1146, 17641180), (1290, 15671932), (1405, 14389176), (1460, 13847118), (1528, 13230885), (1686, 11990980), (1720, 11753949), (1752, 11539265), (1910, 10584708), (2190, 9231412), (2248, 8993235), (2292, 8820590), (2580, 7835966), (2810, 7194588), (2865, 7056472), (2920, 6923559), (3139, 6440520), (3372, 5995490), (3820, 5292354), (4215, 4796392), (4380, 4615706), (4584, 4410295), (5160, 3917983), (5620, 3597294), (5730, 3528236), (6278, 3220260), (6744, 2997745), (7640, 2646177), (8213, 2461560), (8430, 2398196), (8760, 2307853), (9417, 2146840), (11240, 1798647), (11460, 1764118), (12083, 1673160), (12556, 1610130), (13943, 1449960), (15695, 1288104), (16426, 1230780), (16860, 1199098), (18834, 1073420), (20513, 985560), (22920, 882059), (24166, 836580), (24639, 820520), (25112, 805065), (27886, 724980), (31390, 644052), (32852, 615390), (33720, 599549), (36249, 557720), (37668, 536710), (41026, 492780), (41065, 492312), (41829, 483320), (47085, 429368), (48332, 418290), (49278, 410260), (53671, 376680), (55772, 362490), (60415, 334632), (61539, 328520), (62780, 322026), (65704, 307695), (69715, 289992), (72498, 278860), (75336, 268355), (82052, 246390), (82130, 246156), (83658, 241660), (94170, 214684), (96664, 209145), (98556, 205130), (102565, 197112), (107342, 188340), (111544, 181245), (120830, 167316), (123078, 164260), (123195, 164104), (125560, 161013), (139430, 144996)]