215071920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 240

約数和(自身を含む): 834113280

約数和(自身を除く): 619041360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 139, 140, 144, 168, 180, 210, 240, 252, 278, 280, 307, 315, 336, 360, 417, 420, 504, 556, 560, 614, 630, 695, 720, 834, 840, 921, 973, 1008, 1112, 1228, 1251, 1260, 1390, 1535, 1668, 1680, 1842, 1946, 2085, 2149, 2224, 2456, 2502, 2520, 2763, 2780, 2919, 3070, 3336, 3684, 3892, 4170, 4298, 4605, 4865, 4912, 5004, 5040, 5526, 5560, 5838, 6140, 6255, 6447, 6672, 7368, 7784, 8340, 8596, 8757, 9210, 9730, 10008, 10745, 11052, 11120, 11676, 12280, 12510, 12894, 13815, 14595, 14736, 15568, 16680, 17192, 17514, 18420, 19341, 19460, 20016, 21490, 22104, 23352, 24560, 25020, 25788, 27630, 29190, 32235, 33360, 34384, 35028, 36840, 38682, 38920, 42673, 42980, 43785, 44208, 46704, 50040, 51576, 55260, 58380, 64470, 70056, 73680, 77364, 77840, 85346, 85960, 87570, 96705, 100080, 103152, 110520, 116760, 128019, 128940, 140112, 154728, 170692, 171920, 175140, 193410, 213365, 221040, 233520, 256038, 257880, 298711, 309456, 341384, 350280, 384057, 386820, 426730, 512076, 515760, 597422, 640095, 682768, 700560, 768114, 773640, 853460, 896133, 1024152, 1194844, 1280190, 1493555, 1536228, 1547280, 1706920, 1792266, 1920285, 2048304, 2389688, 2560380, 2688399, 2987110, 3072456, 3413840, 3584532, 3840570, 4480665, 4779376, 5120760, 5376798, 5974220, 6144912, 7169064, 7681140, 8961330, 10241520, 10753596, 11948440, 13441995, 14338128, 15362280, 17922660, 21507192, 23896880, 26883990, 30724560, 35845320, 43014384, 53767980, 71690640, 107535960, 215071920]

約数ペア:

[(1, 215071920), (2, 107535960), (3, 71690640), (4, 53767980), (5, 43014384), (6, 35845320), (7, 30724560), (8, 26883990), (9, 23896880), (10, 21507192), (12, 17922660), (14, 15362280), (15, 14338128), (16, 13441995), (18, 11948440), (20, 10753596), (21, 10241520), (24, 8961330), (28, 7681140), (30, 7169064), (35, 6144912), (36, 5974220), (40, 5376798), (42, 5120760), (45, 4779376), (48, 4480665), (56, 3840570), (60, 3584532), (63, 3413840), (70, 3072456), (72, 2987110), (80, 2688399), (84, 2560380), (90, 2389688), (105, 2048304), (112, 1920285), (120, 1792266), (126, 1706920), (139, 1547280), (140, 1536228), (144, 1493555), (168, 1280190), (180, 1194844), (210, 1024152), (240, 896133), (252, 853460), (278, 773640), (280, 768114), (307, 700560), (315, 682768), (336, 640095), (360, 597422), (417, 515760), (420, 512076), (504, 426730), (556, 386820), (560, 384057), (614, 350280), (630, 341384), (695, 309456), (720, 298711), (834, 257880), (840, 256038), (921, 233520), (973, 221040), (1008, 213365), (1112, 193410), (1228, 175140), (1251, 171920), (1260, 170692), (1390, 154728), (1535, 140112), (1668, 128940), (1680, 128019), (1842, 116760), (1946, 110520), (2085, 103152), (2149, 100080), (2224, 96705), (2456, 87570), (2502, 85960), (2520, 85346), (2763, 77840), (2780, 77364), (2919, 73680), (3070, 70056), (3336, 64470), (3684, 58380), (3892, 55260), (4170, 51576), (4298, 50040), (4605, 46704), (4865, 44208), (4912, 43785), (5004, 42980), (5040, 42673), (5526, 38920), (5560, 38682), (5838, 36840), (6140, 35028), (6255, 34384), (6447, 33360), (6672, 32235), (7368, 29190), (7784, 27630), (8340, 25788), (8596, 25020), (8757, 24560), (9210, 23352), (9730, 22104), (10008, 21490), (10745, 20016), (11052, 19460), (11120, 19341), (11676, 18420), (12280, 17514), (12510, 17192), (12894, 16680), (13815, 15568), (14595, 14736)]