71173620

素因数分解:

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

素因数の和:1035

約数の個数: 192

約数和(自身を含む): 266649600

約数和(自身を除く): 195475980

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, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 991, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1982, 1995, 2052, 2394, 2565, 2660, 2973, 3420, 3591, 3780, 3964, 3990, 4788, 4955, 5130, 5946, 5985, 6937, 7182, 7980, 8919, 9910, 10260, 11892, 11970, 13874, 14364, 14865, 17838, 17955, 18829, 19820, 20811, 23940, 26757, 27748, 29730, 34685, 35676, 35910, 37658, 41622, 44595, 53514, 56487, 59460, 62433, 69370, 71820, 75316, 83244, 89190, 94145, 104055, 107028, 112974, 124866, 131803, 133785, 138740, 169461, 178380, 187299, 188290, 208110, 225948, 249732, 263606, 267570, 282435, 312165, 338922, 374598, 376580, 395409, 416220, 508383, 527212, 535140, 564870, 624330, 659015, 677844, 749196, 790818, 847305, 936495, 1016766, 1129740, 1186227, 1248660, 1318030, 1581636, 1694610, 1872990, 1977045, 2033532, 2372454, 2541915, 2636060, 3389220, 3558681, 3745980, 3954090, 4744908, 5083830, 5931135, 7117362, 7908180, 10167660, 11862270, 14234724, 17793405, 23724540, 35586810, 71173620]

約数ペア:

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