220419840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1026

約数の個数: 144

約数和(自身を含む): 716266656

約数和(自身を除く): 495846816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 480, 488, 610, 640, 732, 768, 915, 941, 960, 976, 1220, 1280, 1464, 1830, 1882, 1920, 1952, 2440, 2823, 2928, 3660, 3764, 3840, 3904, 4705, 4880, 5646, 5856, 7320, 7528, 7808, 9410, 9760, 11292, 11712, 14115, 14640, 15056, 15616, 18820, 19520, 22584, 23424, 28230, 29280, 30112, 37640, 39040, 45168, 46848, 56460, 57401, 58560, 60224, 75280, 78080, 90336, 112920, 114802, 117120, 120448, 150560, 172203, 180672, 225840, 229604, 234240, 240896, 287005, 301120, 344406, 361344, 451680, 459208, 574010, 602240, 688812, 722688, 861015, 903360, 918416, 1148020, 1204480, 1377624, 1722030, 1806720, 1836832, 2296040, 2755248, 3444060, 3613440, 3673664, 4592080, 5510496, 6888120, 7347328, 9184160, 11020992, 13776240, 14694656, 18368320, 22041984, 27552480, 36736640, 44083968, 55104960, 73473280, 110209920, 220419840]

約数ペア:

[(1, 220419840), (2, 110209920), (3, 73473280), (4, 55104960), (5, 44083968), (6, 36736640), (8, 27552480), (10, 22041984), (12, 18368320), (15, 14694656), (16, 13776240), (20, 11020992), (24, 9184160), (30, 7347328), (32, 6888120), (40, 5510496), (48, 4592080), (60, 3673664), (61, 3613440), (64, 3444060), (80, 2755248), (96, 2296040), (120, 1836832), (122, 1806720), (128, 1722030), (160, 1377624), (183, 1204480), (192, 1148020), (240, 918416), (244, 903360), (256, 861015), (305, 722688), (320, 688812), (366, 602240), (384, 574010), (480, 459208), (488, 451680), (610, 361344), (640, 344406), (732, 301120), (768, 287005), (915, 240896), (941, 234240), (960, 229604), (976, 225840), (1220, 180672), (1280, 172203), (1464, 150560), (1830, 120448), (1882, 117120), (1920, 114802), (1952, 112920), (2440, 90336), (2823, 78080), (2928, 75280), (3660, 60224), (3764, 58560), (3840, 57401), (3904, 56460), (4705, 46848), (4880, 45168), (5646, 39040), (5856, 37640), (7320, 30112), (7528, 29280), (7808, 28230), (9410, 23424), (9760, 22584), (11292, 19520), (11712, 18820), (14115, 15616), (14640, 15056)]