220139920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2793

約数の個数: 160

約数和(自身を含む): 687456000

約数和(自身を除く): 467316080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 2002, 2288, 2749, 2860, 3080, 3640, 4004, 5005, 5498, 5720, 6160, 7280, 8008, 10010, 10996, 11440, 13745, 16016, 19243, 20020, 21992, 27490, 30239, 35737, 38486, 40040, 43984, 54980, 60478, 71474, 76972, 80080, 96215, 109960, 120956, 142948, 151195, 153944, 178685, 192430, 211673, 219920, 241912, 250159, 285896, 302390, 307888, 357370, 384860, 393107, 423346, 483824, 500318, 571792, 604780, 714740, 769720, 786214, 846692, 1000636, 1058365, 1209560, 1250795, 1429480, 1539440, 1572428, 1693384, 1965535, 2001272, 2116730, 2419120, 2501590, 2751749, 2858960, 3144856, 3386768, 3931070, 4002544, 4233460, 5003180, 5503498, 6289712, 7862140, 8466920, 10006360, 11006996, 13758745, 15724280, 16933840, 20012720, 22013992, 27517490, 31448560, 44027984, 55034980, 110069960, 220139920]

約数ペア:

[(1, 220139920), (2, 110069960), (4, 55034980), (5, 44027984), (7, 31448560), (8, 27517490), (10, 22013992), (11, 20012720), (13, 16933840), (14, 15724280), (16, 13758745), (20, 11006996), (22, 10006360), (26, 8466920), (28, 7862140), (35, 6289712), (40, 5503498), (44, 5003180), (52, 4233460), (55, 4002544), (56, 3931070), (65, 3386768), (70, 3144856), (77, 2858960), (80, 2751749), (88, 2501590), (91, 2419120), (104, 2116730), (110, 2001272), (112, 1965535), (130, 1693384), (140, 1572428), (143, 1539440), (154, 1429480), (176, 1250795), (182, 1209560), (208, 1058365), (220, 1000636), (260, 846692), (280, 786214), (286, 769720), (308, 714740), (364, 604780), (385, 571792), (440, 500318), (455, 483824), (520, 423346), (560, 393107), (572, 384860), (616, 357370), (715, 307888), (728, 302390), (770, 285896), (880, 250159), (910, 241912), (1001, 219920), (1040, 211673), (1144, 192430), (1232, 178685), (1430, 153944), (1456, 151195), (1540, 142948), (1820, 120956), (2002, 109960), (2288, 96215), (2749, 80080), (2860, 76972), (3080, 71474), (3640, 60478), (4004, 54980), (5005, 43984), (5498, 40040), (5720, 38486), (6160, 35737), (7280, 30239), (8008, 27490), (10010, 21992), (10996, 20020), (11440, 19243), (13745, 16016)]