216819120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 240

約数和(自身を含む): 793877760

約数和(自身を除く): 577058640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 103, 105, 112, 120, 140, 147, 168, 179, 196, 206, 210, 240, 245, 280, 294, 309, 336, 358, 392, 412, 420, 490, 515, 537, 560, 588, 618, 716, 721, 735, 784, 824, 840, 895, 980, 1030, 1074, 1176, 1236, 1253, 1432, 1442, 1470, 1545, 1648, 1680, 1790, 1960, 2060, 2148, 2163, 2352, 2472, 2506, 2685, 2864, 2884, 2940, 3090, 3580, 3605, 3759, 3920, 4120, 4296, 4326, 4944, 5012, 5047, 5370, 5768, 5880, 6180, 6265, 7160, 7210, 7518, 8240, 8592, 8652, 8771, 10024, 10094, 10740, 10815, 11536, 11760, 12360, 12530, 14320, 14420, 15036, 15141, 17304, 17542, 18437, 18795, 20048, 20188, 21480, 21630, 24720, 25060, 25235, 26313, 28840, 30072, 30282, 34608, 35084, 36874, 37590, 40376, 42960, 43260, 43855, 50120, 50470, 52626, 55311, 57680, 60144, 60564, 70168, 73748, 75180, 75705, 80752, 86520, 87710, 92185, 100240, 100940, 105252, 110622, 121128, 129059, 131565, 140336, 147496, 150360, 151410, 173040, 175420, 184370, 201880, 210504, 221244, 242256, 258118, 263130, 276555, 294992, 300720, 302820, 350840, 368740, 387177, 403760, 421008, 442488, 516236, 526260, 553110, 605640, 645295, 701680, 737480, 774354, 884976, 903413, 1032472, 1052520, 1106220, 1211280, 1290590, 1474960, 1548708, 1806826, 1935885, 2064944, 2105040, 2212440, 2581180, 2710239, 3097416, 3613652, 3871770, 4424880, 4517065, 5162360, 5420478, 6194832, 7227304, 7743540, 9034130, 10324720, 10840956, 13551195, 14454608, 15487080, 18068260, 21681912, 27102390, 30974160, 36136520, 43363824, 54204780, 72273040, 108409560, 216819120]

約数ペア:

[(1, 216819120), (2, 108409560), (3, 72273040), (4, 54204780), (5, 43363824), (6, 36136520), (7, 30974160), (8, 27102390), (10, 21681912), (12, 18068260), (14, 15487080), (15, 14454608), (16, 13551195), (20, 10840956), (21, 10324720), (24, 9034130), (28, 7743540), (30, 7227304), (35, 6194832), (40, 5420478), (42, 5162360), (48, 4517065), (49, 4424880), (56, 3871770), (60, 3613652), (70, 3097416), (80, 2710239), (84, 2581180), (98, 2212440), (103, 2105040), (105, 2064944), (112, 1935885), (120, 1806826), (140, 1548708), (147, 1474960), (168, 1290590), (179, 1211280), (196, 1106220), (206, 1052520), (210, 1032472), (240, 903413), (245, 884976), (280, 774354), (294, 737480), (309, 701680), (336, 645295), (358, 605640), (392, 553110), (412, 526260), (420, 516236), (490, 442488), (515, 421008), (537, 403760), (560, 387177), (588, 368740), (618, 350840), (716, 302820), (721, 300720), (735, 294992), (784, 276555), (824, 263130), (840, 258118), (895, 242256), (980, 221244), (1030, 210504), (1074, 201880), (1176, 184370), (1236, 175420), (1253, 173040), (1432, 151410), (1442, 150360), (1470, 147496), (1545, 140336), (1648, 131565), (1680, 129059), (1790, 121128), (1960, 110622), (2060, 105252), (2148, 100940), (2163, 100240), (2352, 92185), (2472, 87710), (2506, 86520), (2685, 80752), (2864, 75705), (2884, 75180), (2940, 73748), (3090, 70168), (3580, 60564), (3605, 60144), (3759, 57680), (3920, 55311), (4120, 52626), (4296, 50470), (4326, 50120), (4944, 43855), (5012, 43260), (5047, 42960), (5370, 40376), (5768, 37590), (5880, 36874), (6180, 35084), (6265, 34608), (7160, 30282), (7210, 30072), (7518, 28840), (8240, 26313), (8592, 25235), (8652, 25060), (8771, 24720), (10024, 21630), (10094, 21480), (10740, 20188), (10815, 20048), (11536, 18795), (11760, 18437), (12360, 17542), (12530, 17304), (14320, 15141), (14420, 15036)]