491592960

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 216

約数和(自身を含む): 1718676960

約数和(自身を除く): 1227084000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 307, 320, 360, 384, 417, 480, 556, 576, 614, 640, 695, 720, 768, 834, 921, 960, 1112, 1152, 1228, 1251, 1280, 1390, 1440, 1535, 1668, 1842, 1920, 2085, 2224, 2304, 2456, 2502, 2763, 2780, 2880, 3070, 3336, 3684, 3840, 4170, 4448, 4605, 4912, 5004, 5526, 5560, 5760, 6140, 6255, 6672, 7368, 8340, 8896, 9210, 9824, 10008, 11052, 11120, 11520, 12280, 12510, 13344, 13815, 14736, 16680, 17792, 18420, 19648, 20016, 22104, 22240, 24560, 25020, 26688, 27630, 29472, 33360, 35584, 36840, 39296, 40032, 42673, 44208, 44480, 49120, 50040, 53376, 55260, 58944, 66720, 73680, 78592, 80064, 85346, 88416, 88960, 98240, 100080, 106752, 110520, 117888, 128019, 133440, 147360, 160128, 170692, 176832, 177920, 196480, 200160, 213365, 221040, 235776, 256038, 266880, 294720, 320256, 341384, 353664, 384057, 392960, 400320, 426730, 442080, 512076, 533760, 589440, 640095, 682768, 707328, 768114, 800640, 853460, 884160, 1024152, 1178880, 1280190, 1365536, 1536228, 1601280, 1706920, 1768320, 1920285, 2048304, 2560380, 2731072, 3072456, 3413840, 3536640, 3840570, 4096608, 5120760, 5462144, 6144912, 6827680, 7681140, 8193216, 10241520, 10924288, 12289824, 13655360, 15362280, 16386432, 20483040, 24579648, 27310720, 30724560, 32772864, 40966080, 49159296, 54621440, 61449120, 81932160, 98318592, 122898240, 163864320, 245796480, 491592960]

約数ペア:

[(1, 491592960), (2, 245796480), (3, 163864320), (4, 122898240), (5, 98318592), (6, 81932160), (8, 61449120), (9, 54621440), (10, 49159296), (12, 40966080), (15, 32772864), (16, 30724560), (18, 27310720), (20, 24579648), (24, 20483040), (30, 16386432), (32, 15362280), (36, 13655360), (40, 12289824), (45, 10924288), (48, 10241520), (60, 8193216), (64, 7681140), (72, 6827680), (80, 6144912), (90, 5462144), (96, 5120760), (120, 4096608), (128, 3840570), (139, 3536640), (144, 3413840), (160, 3072456), (180, 2731072), (192, 2560380), (240, 2048304), (256, 1920285), (278, 1768320), (288, 1706920), (307, 1601280), (320, 1536228), (360, 1365536), (384, 1280190), (417, 1178880), (480, 1024152), (556, 884160), (576, 853460), (614, 800640), (640, 768114), (695, 707328), (720, 682768), (768, 640095), (834, 589440), (921, 533760), (960, 512076), (1112, 442080), (1152, 426730), (1228, 400320), (1251, 392960), (1280, 384057), (1390, 353664), (1440, 341384), (1535, 320256), (1668, 294720), (1842, 266880), (1920, 256038), (2085, 235776), (2224, 221040), (2304, 213365), (2456, 200160), (2502, 196480), (2763, 177920), (2780, 176832), (2880, 170692), (3070, 160128), (3336, 147360), (3684, 133440), (3840, 128019), (4170, 117888), (4448, 110520), (4605, 106752), (4912, 100080), (5004, 98240), (5526, 88960), (5560, 88416), (5760, 85346), (6140, 80064), (6255, 78592), (6672, 73680), (7368, 66720), (8340, 58944), (8896, 55260), (9210, 53376), (9824, 50040), (10008, 49120), (11052, 44480), (11120, 44208), (11520, 42673), (12280, 40032), (12510, 39296), (13344, 36840), (13815, 35584), (14736, 33360), (16680, 29472), (17792, 27630), (18420, 26688), (19648, 25020), (20016, 24560), (22104, 22240)]