1806204160

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 4483325952

約数和(自身を除く): 2677121792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 127, 128, 160, 164, 205, 254, 256, 271, 320, 328, 410, 508, 542, 635, 640, 656, 820, 1016, 1084, 1270, 1280, 1312, 1355, 1640, 2032, 2168, 2540, 2624, 2710, 3280, 4064, 4336, 5080, 5207, 5248, 5420, 6560, 8128, 8672, 10160, 10414, 10496, 10840, 11111, 13120, 16256, 17344, 20320, 20828, 21680, 22222, 26035, 26240, 32512, 34417, 34688, 40640, 41656, 43360, 44444, 52070, 52480, 55555, 68834, 69376, 81280, 83312, 86720, 88888, 104140, 111110, 137668, 162560, 166624, 172085, 173440, 177776, 208280, 222220, 275336, 333248, 344170, 346880, 355552, 416560, 444440, 550672, 666496, 688340, 711104, 833120, 888880, 1101344, 1332992, 1376680, 1411097, 1422208, 1666240, 1777760, 2202688, 2753360, 2822194, 2844416, 3332480, 3555520, 4405376, 5506720, 5644388, 6664960, 7055485, 7111040, 8810752, 11013440, 11288776, 14110970, 14222080, 22026880, 22577552, 28221940, 44053760, 45155104, 56443880, 90310208, 112887760, 180620416, 225775520, 361240832, 451551040, 903102080, 1806204160]

約数ペア:

[(1, 1806204160), (2, 903102080), (4, 451551040), (5, 361240832), (8, 225775520), (10, 180620416), (16, 112887760), (20, 90310208), (32, 56443880), (40, 45155104), (41, 44053760), (64, 28221940), (80, 22577552), (82, 22026880), (127, 14222080), (128, 14110970), (160, 11288776), (164, 11013440), (205, 8810752), (254, 7111040), (256, 7055485), (271, 6664960), (320, 5644388), (328, 5506720), (410, 4405376), (508, 3555520), (542, 3332480), (635, 2844416), (640, 2822194), (656, 2753360), (820, 2202688), (1016, 1777760), (1084, 1666240), (1270, 1422208), (1280, 1411097), (1312, 1376680), (1355, 1332992), (1640, 1101344), (2032, 888880), (2168, 833120), (2540, 711104), (2624, 688340), (2710, 666496), (3280, 550672), (4064, 444440), (4336, 416560), (5080, 355552), (5207, 346880), (5248, 344170), (5420, 333248), (6560, 275336), (8128, 222220), (8672, 208280), (10160, 177776), (10414, 173440), (10496, 172085), (10840, 166624), (11111, 162560), (13120, 137668), (16256, 111110), (17344, 104140), (20320, 88888), (20828, 86720), (21680, 83312), (22222, 81280), (26035, 69376), (26240, 68834), (32512, 55555), (34417, 52480), (34688, 52070), (40640, 44444), (41656, 43360)]