213520860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 240

約数和(自身を含む): 806615040

約数和(自身を除く): 593094180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 324, 342, 378, 380, 399, 405, 420, 513, 532, 540, 567, 570, 630, 665, 684, 756, 798, 810, 855, 945, 991, 1026, 1134, 1140, 1197, 1260, 1330, 1539, 1596, 1620, 1710, 1890, 1982, 1995, 2052, 2268, 2394, 2565, 2660, 2835, 2973, 3078, 3420, 3591, 3780, 3964, 3990, 4788, 4955, 5130, 5670, 5946, 5985, 6156, 6937, 7182, 7695, 7980, 8919, 9910, 10260, 10773, 11340, 11892, 11970, 13874, 14364, 14865, 15390, 17838, 17955, 18829, 19820, 20811, 21546, 23940, 26757, 27748, 29730, 30780, 34685, 35676, 35910, 37658, 41622, 43092, 44595, 53514, 53865, 56487, 59460, 62433, 69370, 71820, 75316, 80271, 83244, 89190, 94145, 104055, 107028, 107730, 112974, 124866, 131803, 133785, 138740, 160542, 169461, 178380, 187299, 188290, 208110, 215460, 225948, 249732, 263606, 267570, 282435, 312165, 321084, 338922, 374598, 376580, 395409, 401355, 416220, 508383, 527212, 535140, 561897, 564870, 624330, 659015, 677844, 749196, 790818, 802710, 847305, 936495, 1016766, 1123794, 1129740, 1186227, 1248660, 1318030, 1525149, 1581636, 1605420, 1694610, 1872990, 1977045, 2033532, 2247588, 2372454, 2541915, 2636060, 2809485, 3050298, 3389220, 3558681, 3745980, 3954090, 4744908, 5083830, 5618970, 5931135, 6100596, 7117362, 7625745, 7908180, 10167660, 10676043, 11237940, 11862270, 14234724, 15251490, 17793405, 21352086, 23724540, 30502980, 35586810, 42704172, 53380215, 71173620, 106760430, 213520860]

約数ペア:

[(1, 213520860), (2, 106760430), (3, 71173620), (4, 53380215), (5, 42704172), (6, 35586810), (7, 30502980), (9, 23724540), (10, 21352086), (12, 17793405), (14, 15251490), (15, 14234724), (18, 11862270), (19, 11237940), (20, 10676043), (21, 10167660), (27, 7908180), (28, 7625745), (30, 7117362), (35, 6100596), (36, 5931135), (38, 5618970), (42, 5083830), (45, 4744908), (54, 3954090), (57, 3745980), (60, 3558681), (63, 3389220), (70, 3050298), (76, 2809485), (81, 2636060), (84, 2541915), (90, 2372454), (95, 2247588), (105, 2033532), (108, 1977045), (114, 1872990), (126, 1694610), (133, 1605420), (135, 1581636), (140, 1525149), (162, 1318030), (171, 1248660), (180, 1186227), (189, 1129740), (190, 1123794), (210, 1016766), (228, 936495), (252, 847305), (266, 802710), (270, 790818), (285, 749196), (315, 677844), (324, 659015), (342, 624330), (378, 564870), (380, 561897), (399, 535140), (405, 527212), (420, 508383), (513, 416220), (532, 401355), (540, 395409), (567, 376580), (570, 374598), (630, 338922), (665, 321084), (684, 312165), (756, 282435), (798, 267570), (810, 263606), (855, 249732), (945, 225948), (991, 215460), (1026, 208110), (1134, 188290), (1140, 187299), (1197, 178380), (1260, 169461), (1330, 160542), (1539, 138740), (1596, 133785), (1620, 131803), (1710, 124866), (1890, 112974), (1982, 107730), (1995, 107028), (2052, 104055), (2268, 94145), (2394, 89190), (2565, 83244), (2660, 80271), (2835, 75316), (2973, 71820), (3078, 69370), (3420, 62433), (3591, 59460), (3780, 56487), (3964, 53865), (3990, 53514), (4788, 44595), (4955, 43092), (5130, 41622), (5670, 37658), (5946, 35910), (5985, 35676), (6156, 34685), (6937, 30780), (7182, 29730), (7695, 27748), (7980, 26757), (8919, 23940), (9910, 21546), (10260, 20811), (10773, 19820), (11340, 18829), (11892, 17955), (11970, 17838), (13874, 15390), (14364, 14865)]