1807952720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 240

約数和(自身を含む): 5332158720

約数和(自身を除く): 3524206000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 161, 170, 184, 230, 238, 272, 280, 322, 340, 359, 368, 391, 460, 476, 529, 560, 595, 644, 680, 718, 782, 805, 920, 952, 1058, 1190, 1288, 1360, 1436, 1564, 1610, 1795, 1840, 1904, 1955, 2116, 2380, 2513, 2576, 2645, 2737, 2872, 3128, 3220, 3590, 3703, 3910, 4232, 4760, 5026, 5290, 5474, 5744, 6103, 6256, 6440, 7180, 7406, 7820, 8257, 8464, 8993, 9520, 10052, 10580, 10948, 12206, 12565, 12880, 13685, 14360, 14812, 15640, 16514, 17986, 18515, 20104, 21160, 21896, 24412, 25130, 27370, 28720, 29624, 30515, 31280, 33028, 35972, 37030, 40208, 41285, 42320, 42721, 43792, 44965, 48824, 50260, 54740, 57799, 59248, 61030, 62951, 66056, 71944, 74060, 82570, 85442, 89930, 97648, 100520, 109480, 115598, 122060, 125902, 132112, 140369, 143888, 148120, 165140, 170884, 179860, 189911, 201040, 213605, 218960, 231196, 244120, 251804, 280738, 288995, 296240, 314755, 330280, 341768, 359720, 379822, 427210, 462392, 488240, 503608, 561476, 577990, 629510, 660560, 683536, 701845, 719440, 759644, 854420, 924784, 949555, 982583, 1007216, 1122952, 1155980, 1259020, 1329377, 1403690, 1519288, 1708840, 1899110, 1965166, 2245904, 2311960, 2518040, 2658754, 2807380, 3038576, 3228487, 3417680, 3798220, 3930332, 4623920, 4912915, 5036080, 5317508, 5614760, 6456974, 6646885, 7596440, 7860664, 9825830, 10635016, 11229520, 12913948, 13293770, 15192880, 15721328, 16142435, 19651660, 21270032, 22599409, 25827896, 26587540, 32284870, 39303320, 45198818, 51655792, 53175080, 64569740, 78606640, 90397636, 106350160, 112997045, 129139480, 180795272, 225994090, 258278960, 361590544, 451988180, 903976360, 1807952720]

約数ペア:

[(1, 1807952720), (2, 903976360), (4, 451988180), (5, 361590544), (7, 258278960), (8, 225994090), (10, 180795272), (14, 129139480), (16, 112997045), (17, 106350160), (20, 90397636), (23, 78606640), (28, 64569740), (34, 53175080), (35, 51655792), (40, 45198818), (46, 39303320), (56, 32284870), (68, 26587540), (70, 25827896), (80, 22599409), (85, 21270032), (92, 19651660), (112, 16142435), (115, 15721328), (119, 15192880), (136, 13293770), (140, 12913948), (161, 11229520), (170, 10635016), (184, 9825830), (230, 7860664), (238, 7596440), (272, 6646885), (280, 6456974), (322, 5614760), (340, 5317508), (359, 5036080), (368, 4912915), (391, 4623920), (460, 3930332), (476, 3798220), (529, 3417680), (560, 3228487), (595, 3038576), (644, 2807380), (680, 2658754), (718, 2518040), (782, 2311960), (805, 2245904), (920, 1965166), (952, 1899110), (1058, 1708840), (1190, 1519288), (1288, 1403690), (1360, 1329377), (1436, 1259020), (1564, 1155980), (1610, 1122952), (1795, 1007216), (1840, 982583), (1904, 949555), (1955, 924784), (2116, 854420), (2380, 759644), (2513, 719440), (2576, 701845), (2645, 683536), (2737, 660560), (2872, 629510), (3128, 577990), (3220, 561476), (3590, 503608), (3703, 488240), (3910, 462392), (4232, 427210), (4760, 379822), (5026, 359720), (5290, 341768), (5474, 330280), (5744, 314755), (6103, 296240), (6256, 288995), (6440, 280738), (7180, 251804), (7406, 244120), (7820, 231196), (8257, 218960), (8464, 213605), (8993, 201040), (9520, 189911), (10052, 179860), (10580, 170884), (10948, 165140), (12206, 148120), (12565, 143888), (12880, 140369), (13685, 132112), (14360, 125902), (14812, 122060), (15640, 115598), (16514, 109480), (17986, 100520), (18515, 97648), (20104, 89930), (21160, 85442), (21896, 82570), (24412, 74060), (25130, 71944), (27370, 66056), (28720, 62951), (29624, 61030), (30515, 59248), (31280, 57799), (33028, 54740), (35972, 50260), (37030, 48824), (40208, 44965), (41285, 43792), (42320, 42721)]