254980880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 240

約数和(自身を含む): 769450752

約数和(自身を除く): 514469872

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 71, 77, 80, 88, 106, 110, 112, 121, 140, 142, 154, 176, 212, 220, 242, 265, 280, 284, 308, 355, 371, 385, 424, 440, 484, 497, 530, 560, 568, 583, 605, 616, 710, 742, 770, 781, 847, 848, 880, 968, 994, 1060, 1136, 1166, 1210, 1232, 1420, 1484, 1540, 1562, 1694, 1855, 1936, 1988, 2120, 2332, 2420, 2485, 2840, 2915, 2968, 3080, 3124, 3388, 3710, 3763, 3905, 3976, 4081, 4235, 4240, 4664, 4840, 4970, 5467, 5680, 5830, 5936, 6160, 6248, 6413, 6776, 7420, 7526, 7810, 7952, 8162, 8470, 8591, 9328, 9680, 9940, 10934, 11660, 12496, 12826, 13552, 14840, 15052, 15620, 16324, 16940, 17182, 18815, 19880, 20405, 21868, 23320, 25652, 26341, 27335, 29680, 30104, 31240, 32065, 32648, 33880, 34364, 37630, 39760, 40810, 41393, 42955, 43736, 44891, 46640, 51304, 52682, 54670, 60137, 60208, 62480, 64130, 65296, 67760, 68728, 75260, 81620, 82786, 85910, 87472, 89782, 102608, 105364, 109340, 120274, 128260, 131705, 137456, 150520, 163240, 165572, 171820, 179564, 206965, 210728, 218680, 224455, 240548, 256520, 263410, 289751, 300685, 301040, 326480, 331144, 343640, 359128, 413930, 421456, 437360, 448910, 455323, 481096, 513040, 526820, 579502, 601370, 662288, 687280, 718256, 827860, 897820, 910646, 962192, 1053640, 1159004, 1202740, 1448755, 1655720, 1795640, 1821292, 2107280, 2276615, 2318008, 2405480, 2897510, 3187261, 3311440, 3591280, 3642584, 4553230, 4636016, 4810960, 5795020, 6374522, 7285168, 9106460, 11590040, 12749044, 15936305, 18212920, 23180080, 25498088, 31872610, 36425840, 50996176, 63745220, 127490440, 254980880]

約数ペア:

[(1, 254980880), (2, 127490440), (4, 63745220), (5, 50996176), (7, 36425840), (8, 31872610), (10, 25498088), (11, 23180080), (14, 18212920), (16, 15936305), (20, 12749044), (22, 11590040), (28, 9106460), (35, 7285168), (40, 6374522), (44, 5795020), (53, 4810960), (55, 4636016), (56, 4553230), (70, 3642584), (71, 3591280), (77, 3311440), (80, 3187261), (88, 2897510), (106, 2405480), (110, 2318008), (112, 2276615), (121, 2107280), (140, 1821292), (142, 1795640), (154, 1655720), (176, 1448755), (212, 1202740), (220, 1159004), (242, 1053640), (265, 962192), (280, 910646), (284, 897820), (308, 827860), (355, 718256), (371, 687280), (385, 662288), (424, 601370), (440, 579502), (484, 526820), (497, 513040), (530, 481096), (560, 455323), (568, 448910), (583, 437360), (605, 421456), (616, 413930), (710, 359128), (742, 343640), (770, 331144), (781, 326480), (847, 301040), (848, 300685), (880, 289751), (968, 263410), (994, 256520), (1060, 240548), (1136, 224455), (1166, 218680), (1210, 210728), (1232, 206965), (1420, 179564), (1484, 171820), (1540, 165572), (1562, 163240), (1694, 150520), (1855, 137456), (1936, 131705), (1988, 128260), (2120, 120274), (2332, 109340), (2420, 105364), (2485, 102608), (2840, 89782), (2915, 87472), (2968, 85910), (3080, 82786), (3124, 81620), (3388, 75260), (3710, 68728), (3763, 67760), (3905, 65296), (3976, 64130), (4081, 62480), (4235, 60208), (4240, 60137), (4664, 54670), (4840, 52682), (4970, 51304), (5467, 46640), (5680, 44891), (5830, 43736), (5936, 42955), (6160, 41393), (6248, 40810), (6413, 39760), (6776, 37630), (7420, 34364), (7526, 33880), (7810, 32648), (7952, 32065), (8162, 31240), (8470, 30104), (8591, 29680), (9328, 27335), (9680, 26341), (9940, 25652), (10934, 23320), (11660, 21868), (12496, 20405), (12826, 19880), (13552, 18815), (14840, 17182), (15052, 16940), (15620, 16324)]