638737440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6367}}^1$

素因数の和:6415

約数の個数: 192

約数和(自身を含む): 2310819840

約数和(自身を除く): 1672082400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 352, 380, 418, 440, 456, 480, 528, 570, 608, 627, 660, 760, 836, 880, 912, 1045, 1056, 1140, 1254, 1320, 1520, 1672, 1760, 1824, 2090, 2280, 2508, 2640, 3040, 3135, 3344, 4180, 4560, 5016, 5280, 6270, 6367, 6688, 8360, 9120, 10032, 12540, 12734, 16720, 19101, 20064, 25080, 25468, 31835, 33440, 38202, 50160, 50936, 63670, 70037, 76404, 95505, 100320, 101872, 120973, 127340, 140074, 152808, 191010, 203744, 210111, 241946, 254680, 280148, 305616, 350185, 362919, 382020, 420222, 483892, 509360, 560296, 604865, 611232, 700370, 725838, 764040, 840444, 967784, 1018720, 1050555, 1120592, 1209730, 1330703, 1400740, 1451676, 1528080, 1680888, 1814595, 1935568, 2101110, 2241184, 2419460, 2661406, 2801480, 2903352, 3056160, 3361776, 3629190, 3871136, 3992109, 4202220, 4838920, 5322812, 5602960, 5806704, 6653515, 6723552, 7258380, 7984218, 8404440, 9677840, 10645624, 11205920, 11613408, 13307030, 14516760, 15968436, 16808880, 19355680, 19960545, 21291248, 26614060, 29033520, 31936872, 33617760, 39921090, 42582496, 53228120, 58067040, 63873744, 79842180, 106456240, 127747488, 159684360, 212912480, 319368720, 638737440]

約数ペア:

[(1, 638737440), (2, 319368720), (3, 212912480), (4, 159684360), (5, 127747488), (6, 106456240), (8, 79842180), (10, 63873744), (11, 58067040), (12, 53228120), (15, 42582496), (16, 39921090), (19, 33617760), (20, 31936872), (22, 29033520), (24, 26614060), (30, 21291248), (32, 19960545), (33, 19355680), (38, 16808880), (40, 15968436), (44, 14516760), (48, 13307030), (55, 11613408), (57, 11205920), (60, 10645624), (66, 9677840), (76, 8404440), (80, 7984218), (88, 7258380), (95, 6723552), (96, 6653515), (110, 5806704), (114, 5602960), (120, 5322812), (132, 4838920), (152, 4202220), (160, 3992109), (165, 3871136), (176, 3629190), (190, 3361776), (209, 3056160), (220, 2903352), (228, 2801480), (240, 2661406), (264, 2419460), (285, 2241184), (304, 2101110), (330, 1935568), (352, 1814595), (380, 1680888), (418, 1528080), (440, 1451676), (456, 1400740), (480, 1330703), (528, 1209730), (570, 1120592), (608, 1050555), (627, 1018720), (660, 967784), (760, 840444), (836, 764040), (880, 725838), (912, 700370), (1045, 611232), (1056, 604865), (1140, 560296), (1254, 509360), (1320, 483892), (1520, 420222), (1672, 382020), (1760, 362919), (1824, 350185), (2090, 305616), (2280, 280148), (2508, 254680), (2640, 241946), (3040, 210111), (3135, 203744), (3344, 191010), (4180, 152808), (4560, 140074), (5016, 127340), (5280, 120973), (6270, 101872), (6367, 100320), (6688, 95505), (8360, 76404), (9120, 70037), (10032, 63670), (12540, 50936), (12734, 50160), (16720, 38202), (19101, 33440), (20064, 31835), (25080, 25468)]