820933120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:842

約数の個数: 160

約数和(自身を含む): 2289424896

約数和(自身を除く): 1468491776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 244, 256, 280, 305, 320, 427, 448, 488, 512, 560, 610, 640, 751, 854, 896, 976, 1120, 1220, 1280, 1502, 1708, 1792, 1952, 2135, 2240, 2440, 2560, 3004, 3416, 3584, 3755, 3904, 4270, 4480, 4880, 5257, 6008, 6832, 7510, 7808, 8540, 8960, 9760, 10514, 12016, 13664, 15020, 15616, 17080, 17920, 19520, 21028, 24032, 26285, 27328, 30040, 31232, 34160, 39040, 42056, 45811, 48064, 52570, 54656, 60080, 68320, 78080, 84112, 91622, 96128, 105140, 109312, 120160, 136640, 156160, 168224, 183244, 192256, 210280, 218624, 229055, 240320, 273280, 320677, 336448, 366488, 384512, 420560, 458110, 480640, 546560, 641354, 672896, 732976, 841120, 916220, 961280, 1093120, 1282708, 1345792, 1465952, 1603385, 1682240, 1832440, 1922560, 2565416, 2691584, 2931904, 3206770, 3364480, 3664880, 5130832, 5863808, 6413540, 6728960, 7329760, 10261664, 11727616, 12827080, 13457920, 14659520, 20523328, 23455232, 25654160, 29319040, 41046656, 51308320, 58638080, 82093312, 102616640, 117276160, 164186624, 205233280, 410466560, 820933120]

約数ペア:

[(1, 820933120), (2, 410466560), (4, 205233280), (5, 164186624), (7, 117276160), (8, 102616640), (10, 82093312), (14, 58638080), (16, 51308320), (20, 41046656), (28, 29319040), (32, 25654160), (35, 23455232), (40, 20523328), (56, 14659520), (61, 13457920), (64, 12827080), (70, 11727616), (80, 10261664), (112, 7329760), (122, 6728960), (128, 6413540), (140, 5863808), (160, 5130832), (224, 3664880), (244, 3364480), (256, 3206770), (280, 2931904), (305, 2691584), (320, 2565416), (427, 1922560), (448, 1832440), (488, 1682240), (512, 1603385), (560, 1465952), (610, 1345792), (640, 1282708), (751, 1093120), (854, 961280), (896, 916220), (976, 841120), (1120, 732976), (1220, 672896), (1280, 641354), (1502, 546560), (1708, 480640), (1792, 458110), (1952, 420560), (2135, 384512), (2240, 366488), (2440, 336448), (2560, 320677), (3004, 273280), (3416, 240320), (3584, 229055), (3755, 218624), (3904, 210280), (4270, 192256), (4480, 183244), (4880, 168224), (5257, 156160), (6008, 136640), (6832, 120160), (7510, 109312), (7808, 105140), (8540, 96128), (8960, 91622), (9760, 84112), (10514, 78080), (12016, 68320), (13664, 60080), (15020, 54656), (15616, 52570), (17080, 48064), (17920, 45811), (19520, 42056), (21028, 39040), (24032, 34160), (26285, 31232), (27328, 30040)]